English Words from Proto-Indo-European

Every word has a story. Trace 217 common English words — from father and mother to wolf and wheel — back through centuries of sound change to their Proto-Indo-European ancestors, the reconstructed language spoken around 4500 BCE.

acre

A unit of land area; originally the amount of land an ox team could plough in a day.

*h₂eǵ-

after

Following in time or place; behind.

*h₂epo

ale

An alcoholic drink brewed from malted barley, traditionally without hops.

*h₂el-

ash

The powdery residue left after combustion; also, a tree of the genus Fraxinus.

*dóru

bath

An act of washing the body; a tub or pool for bathing.

*bʰeh₂-

be

To exist; to occupy a state or position.

*h₁es-

bear

To carry; to support the weight of; to endure.

*bʰer-

bee

A flying insect known for collecting pollen and producing honey and wax.

*bʰey-

bind

To tie or fasten tightly together; to restrain or hold.

*bʰendʰ-

birch

A deciduous hardwood tree of the genus Betula, with distinctive white bark.

*bʰerǵ-

bite

To use the teeth to cut into or grip something.

*bʰeyd-

black

The darkest colour, the opposite of white; the colour of coal or a starless night.

*bʰleg-

bleed

To lose blood from the body as a result of injury or illness.

*bʰleh₁-

blood

The red fluid circulating through the body, carrying oxygen and nutrients to tissues.

*bʰleh₃-

bone

A rigid organ that forms part of the skeleton in vertebrates.

(no clear PIE root)

bread

Food made from flour, water, and yeast, mixed and baked.

*bʰrewh₁-

break

To separate into pieces suddenly or violently; to fracture.

*bʰreg-

bridge

A structure spanning and providing passage over a river, road, or other obstacle.

*bʰruH-

bright

Giving out or reflecting much light; shining; vivid in color.

*bʰerǵ-

brother

A male sibling; a man sharing parents with another.

*bʰréh₂tēr

burn

To be on fire; to undergo combustion; to be consumed or damaged by fire or heat.

*gʷʰer-

cloud

A visible mass of water droplets or ice crystals suspended in the atmosphere.

(no clear PIE root)

cold

Of or at a low temperature; not warm or hot.

*gel-

come

To move towards; to arrive at a place.

*gʷem-

cow

A mature female bovine animal kept for milk or beef.

*gʷōws

cry

To shed tears; to call out loudly in distress, pain, or sorrow.

*kerh₂-

dark

With little or no light; not bright or illuminated.

(disputed)

daughter

A female child in relation to her parents.

*dʰugh₂tḗr

day

The period of light between sunrise and sunset; a 24-hour period.

*dʰegʷʰ-

death

The permanent end of life; the cessation of all biological functions.

*dʰew-

deep

Extending far down from the surface; profound or intense.

*dʰewb-

dew

Moisture condensed from the atmosphere, especially at night, on cool surfaces.

*dʰews-

die

To cease to live; to expire.

*dʰew-

do

To perform or carry out an action; to bring about.

*dʰeh₁-

door

A hinged or sliding barrier used to close an entrance.

*dʰwer-

dream

A series of images, thoughts, and sensations occurring involuntarily during sleep.

*dʰrewgʰ-

drink

To take liquid into the mouth and swallow.

(uncertain)

ear

The organ of hearing on either side of the head.

*h₂ew-s-

earth

The ground beneath our feet; the planet we live on; soil.

*dʰǵʰem-

east

The direction of sunrise; the orient.

*h₂ews-

eat

To consume food by putting it in the mouth, chewing, and swallowing.

*h₁ed-

eel

A long, snake-like freshwater or marine fish of the order Anguilliformes.

*angʷʰi-

egg

The oval reproductive body laid by birds and reptiles; used widely as food.

*h₂ōḱ-

eight

The number 8; one more than seven.

*oḱtṓw

elm

A deciduous tree of the genus Ulmus, formerly one of the most common trees in European landscapes.

*h₂el-

eye

The organ of sight; the part of the body used for seeing.

*h₃ekʷ-

fall

To move downward rapidly without control; to drop from a higher to a lower level.

*pōl-

father

Male parent; a man in relation to his child.

*ph₂tḗr

feather

One of the light, flat structures growing from a bird's skin, forming its plumage.

*peth₂-

field

An open area of land, especially one used for cultivation or pasture.

*pleth₂-

fight

To take part in a violent struggle involving physical force or weapons.

*peḱ-

find

To discover or come upon by chance or by searching.

*pent-

fire

The phenomenon of combustion; burning heat and light.

*péh₂wr̥

fish

A cold-blooded aquatic vertebrate with gills and fins, living entirely in water.

*pisk-

five

The number 5; one more than four.

*pénkʷe

flesh

The soft tissue of the body, especially muscle and fat; the physical body as opposed to the spirit.

*pleh₁ḱ-

flow

To move steadily and continuously in a current or stream.

*plew-

flower

The reproductive structure of a flowering plant, typically having colorful petals.

*bʰleh₃-

foam

A mass of small bubbles formed on or in a liquid; froth.

*pewH-mn̥

folk

People in general; the common people of a region or community.

*polH-

food

Any substance consumed to provide nutritional support and energy for the body.

*peh₂-

foot

The lower extremity of the leg; the part one stands and walks on.

*ped-

ford

A shallow place in a river or stream where it can be crossed on foot or by vehicle.

*per-

four

The number 4; one more than three.

*kʷetwóres

full

Containing as much as possible; having no empty space.

*pleh₁-

give

To transfer possession of something to someone without payment.

*gʰebʰ-

go

To move from one place to another; to travel.

*gʰeh₁-

god

A superhuman being worshipped as having power over nature and human fortunes; a deity.

(disputed)

gold

A precious yellow metallic element, prized since antiquity.

*gʰel-d-

goose

A large waterbird with a long neck, related to ducks and swans.

*ǵʰans-

grass

Vegetation consisting of short plants with narrow leaves, growing wild or cultivated on lawns and pasture.

*gʰreh₁-

great

Of an extent, amount, or intensity considerably above average; very large or important.

*gʰrewt-

green

The colour of growing grass and leaves; between blue and yellow in the spectrum.

*gʰreh₁-

hand

The end part of the arm beyond the wrist, including the palm, fingers, and thumb.

(no clear PIE root)

head

The upper part of the body containing the brain, eyes, ears, nose, and mouth.

*kaput-

hear

To perceive sound with the ears; to listen.

*h₂ḱew-

heart

The muscular organ that pumps blood; the centre of emotion.

*ḱerd-

high

Extending far upward; of great vertical extent.

*ḱew-d-

hill

A raised area of land, smaller than a mountain.

*kelh₂-

hold

To grasp, carry, or support with one's hands or arms.

*kel-

home

The place where one lives; one's dwelling or native land.

*ḱey-

honey

A sweet, viscous substance produced by bees from flower nectar.

(uncertain)

horn

A hard pointed growth on the head of cattle, goats, and other animals; also a musical instrument.

*ḱerh₂-

horse

A large domesticated equine used for riding and transport.

(uncertain)

hound

A dog, especially one used for hunting.

*ḱwon-

house

A building for human habitation; a dwelling place for a family.

(disputed)

hundred

The number 100; ten tens.

*ḱm̥tóm

ice

Frozen water; a solid formed when water reaches 0°C (32°F).

*h₁eyH-

iron

A strong, hard, silvery-grey metallic element, the most commonly used of all metals.

*h₂eyos-

king

A male ruler of a nation or territory, especially one who inherits the position by right of birth.

*ǵenh₁-

knee

The joint connecting the thigh and lower leg.

*ǵónu

know

To be aware of through observation, inquiry, or information.

*ǵneh₃-

lake

A large body of fresh water surrounded by land.

*lókus

land

The solid surface of the earth; a country or territory.

*lendʰ-

laugh

To make spontaneous sounds and movements of the face and body expressing amusement.

*kleh₁k-

law

A system of rules created and enforced by social or governmental institutions.

*legʰ-

leaf

A flattened structure of a plant, typically green, where photosynthesis occurs.

*leup-

learn

To gain knowledge or skill by studying, experience, or being taught.

*leys-

life

The condition that distinguishes living organisms from dead ones; the period between birth and death.

*gʷeyh₃-

light

The natural agent that stimulates sight and makes things visible; electromagnetic radiation.

*lewk-

little

Small in size, amount, or degree.

*lewd-

live

To be alive; to have life; to remain alive.

*gʷeyh₃-

long

Of great length or duration; extending a considerable distance.

*dlh₁gʰó-

love

An intense feeling of deep affection; to feel a deep romantic or sexual attachment.

*lewbʰ-

man

An adult male human being; also historically, a human being of either sex.

*man-

mare

An adult female horse.

*h₁éḱwos

mead

An alcoholic drink made from fermented honey and water; the oldest known fermented beverage.

*médʰu

meal

An occasion when food is eaten; ground grain or flour.

*meh₂-k-

milk

A white nutritious liquid produced by mammals to feed their young.

*h₂melǵ-

mind

The faculty of consciousness and thought; the element of a person that enables awareness.

*men-

moon

Earth's natural satellite; the celestial body visible at night.

*méh₁n̥s

mother

Female parent; a woman in relation to her child.

*méh₂tēr

mountain

A large natural elevation of the earth's surface rising high above the surrounding level.

*men-

mouse

A small rodent with a pointed snout and long tail.

*muh₁s-

nail

A horny covering on the tip of a finger or toe; also a thin metal spike.

*h₃nógʷʰ-

naked

Without clothes; having no covering, protection, or concealment.

*nogʷ-

name

A word by which a person or thing is known.

*h₃nómn̥

nest

A structure built by birds for laying eggs; any snug retreat or shelter.

*sed-

net

An open-meshed fabric used for catching fish or enclosing an area; a network.

*ned-

new

Recently made, discovered, or created; not existing before.

*néwos

night

The period of darkness between sunset and sunrise.

*nokʷt-

nine

The number 9; one more than eight.

*h₁newn̥

north

The direction opposite to south; the colder regions.

*h₂ner-

oak

A large hardwood tree of the genus Quercus, bearing acorns and prized for its strong timber.

(disputed)

oath

A solemn promise or declaration, often invoking a divine witness.

*h₃eyt-

old

Having lived or existed for a long time; not young or new.

*h₂el-

one

The number 1; a single unit or individual.

*h₁óynos

open

Not closed or blocked; allowing access or passage.

*upo

over

Above, across, or beyond in position or extent.

*uper

ox

An adult castrated bull used as a draft animal, or more broadly any bovine.

*h₂uḱs-

path

A way or track laid down for walking; a route or course.

*pent-

play

To engage in activity for enjoyment and recreation rather than for a serious or practical purpose.

*dleyg-

plow

An implement for cutting and turning soil; to till the earth.

*pleh₂-

queen

A female ruler of a nation; the wife of a king.

*gʷenh₃-

quick

Moving fast or doing something in a short time; rapid.

*gʷeyh₃-

rain

Water falling in drops from clouds in the sky.

*h₁reg-

red

The colour of blood and fire; the first colour on the visible spectrum.

*h₁rewdʰ-

right

Morally correct; just; the opposite of left; a legal entitlement.

*h₃reǵ-

river

A large natural stream of water flowing to the sea, a lake, or another river.

*h₁reyH-

rope

A length of thick, strong cord made by twisting or braiding strands together.

*h₁rep-

run

To move swiftly on foot; to flow or operate.

*h₁er-

salmon

A large fish of the family Salmonidae, known for swimming upstream to spawn.

*lóksos

salt

A white crystalline substance used for seasoning and preserving food.

*seh₂l-

sea

The expanse of salt water that covers most of the Earth's surface.

*seh₂i-

see

To perceive with the eyes; to observe visually.

*sekʷ-

seed

A plant's unit of reproduction, containing an embryo capable of growing into a new plant.

*seh₁-

seven

The number 7; one more than six.

*septm̥

sheep

A domesticated ruminant mammal kept for its wool, meat, and milk.

(uncertain)

ship

A large vessel for traveling on water, propelled by sails or engines.

(uncertain)

shut

To close or block an opening; to bring together the parts of.

*skewH-d-

sing

To make musical sounds with the voice, especially words set to a melody.

*sengʷʰ-

sister

A female sibling; a woman sharing parents with another.

*swésor

sit

To rest with one's weight on the buttocks; to be seated.

*sed-

six

The number 6; one more than five.

*swéḱs

skin

The outer covering of the body; the hide or pelt of an animal.

*skey-

sky

The expanse of air above the earth; the heavens.

*skewH-

sleep

A natural state of rest in which consciousness is suspended.

(uncertain)

smile

To form one's features into a pleased or amused expression, with the corners of the mouth turned up.

*smey-

snow

Frozen water vapour that falls as soft white flakes.

*snéygʷʰ-

son

A male child in relation to his parents.

*suHnús

soul

The spiritual or immaterial part of a human being, regarded as immortal.

(disputed)

south

The direction to the left when facing the rising sun; the warmer regions.

*sóh₂wl̥

sow

To plant seeds by scattering them on the ground.

*seh₁-

speak

To say words aloud; to talk; to communicate verbally.

*bʰeh₂-

spring

The season between winter and summer; to leap or move suddenly; a source of water.

*sprenǵʰ-

stand

To be in an upright position on one's feet.

*steh₂-

star

A luminous celestial body visible as a point of light in the night sky.

*h₂stḗr

steel

A strong alloy of iron and carbon; figuratively, hardness or determination.

*steh₂-

steer

To guide or control the direction of movement; a young male ox.

*stew-r-

still

Motionless; calm and quiet; continuing as before.

*stel-

stone

A hard solid piece of mineral matter; rock.

*steh₂-

summer

The warmest season of the year, between spring and autumn.

*sem-

sun

The star at the centre of the solar system; source of daylight.

*sóh₂wl̥

sweet

Having the taste of sugar or honey; pleasant.

*sweh₂d-

swim

To propel oneself through water using movements of the limbs or body.

*swem-

swine

A pig; pigs collectively.

*suHnús

sword

A weapon with a long metal blade and a handle, used for thrusting or striking.

(no clear PIE root)

teach

To impart knowledge or instruct someone in how to do something.

*deyḱ-

ten

The number 10; the base of the decimal system.

*déḱm̥t

think

To use the mind to consider, reason, or form connected ideas.

*tong-

thirst

A feeling of needing or wanting to drink; a lack of the liquid needed to sustain life.

*ters-

three

The number 3; one more than two.

*tréyes

through

Moving in one side and out the other; from beginning to end.

*terh₂-

thunder

The loud rumbling or crashing sound caused by the rapid expansion of air heated by lightning.

*(s)teh₂n-

time

The indefinite continued progress of existence; a measured duration.

*deh₂-

tongue

The muscular organ in the mouth used for tasting, licking, swallowing, and speech.

*dn̥ǵʰwéh₂

tooth

A hard, calcified structure in the jaw used for biting and chewing.

*h₁dónt-

tree

A perennial woody plant with a trunk, branches, and leaves.

*dóru

true

In accordance with fact or reality; genuine; loyal or faithful.

*deru-

two

The number 2; one more than one.

*dwóh₁

under

Below or beneath in position; subject to the authority of.

*n̥dʰer-

voice

The sound produced in a person's larynx and uttered through the mouth; the ability to speak.

*wekʷ-

walk

To move at a regular pace by lifting and setting down each foot in turn.

*welh₁-

warm

Of or at a fairly high temperature; giving off or retaining heat.

*gʷʰer-

water

A transparent, odourless liquid essential for life.

*wódr̥

way

A road, path, or route; a method or manner of doing something.

*weǵʰ-

weave

To form fabric by interlacing threads on a loom; to intertwine.

*webʰ-

web

A network of fine threads spun by a spider; an interconnected system or structure.

*webʰ-

west

The direction of sunset; the occident.

*h₂wes-r-

wheel

A circular frame that revolves on an axle; used for transport.

*kʷekʷlo-

white

Of the colour of milk or fresh snow; the lightest colour, the opposite of black.

*ḱweyd-

whole

Entire; complete; not broken or damaged; all of something.

*solh₂-

wide

Having great extent from side to side; broad.

*h₂weyd-

widow

A woman whose spouse has died and who has not remarried.

*h₁widʰéwh₂

wind

Moving air, especially a natural current blowing from a particular direction.

*h₂weh₁-

winter

The coldest season of the year, between autumn and spring.

*wed-

wolf

A large wild canine that hunts in packs.

*wĺ̥kʷos

woman

An adult female human being.

*gʷenh₃-

wood

The hard fibrous substance of trees; a dense growth of trees.

*h₂weyd-

word

A single distinct meaningful element of speech or writing.

*werh₁-

work

Activity involving mental or physical effort done to achieve a purpose or result.

*h₁werg-

worm

A long, soft-bodied invertebrate; any creeping creature.

*wŕ̥mis

write

To form letters, words, or symbols on a surface, typically with a pen or pencil.

(uncertain)

year

A period of approximately 365 days, corresponding to one revolution of the Earth around the Sun.

*yeh₁r-

yew

An evergreen coniferous tree of the genus Taxus, often associated with churchyards.

*h₂ey-w-

yoke

A wooden beam fastened over the necks of two animals for pulling.

*yugóm

young

Having lived for only a short time; not old.

*h₂yew-