PIE Roots

An index of reconstructed Proto-Indo-European roots. Each entry links to a full page with descendant tables, sound law references, and scholarly discussion.

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B7 roots

Root	Meaning	Semantic Field	Confidence
bʰleg-	to shine, burn, flash	firelight	high
bʰleg-eyo-	to keep burning, blazing	firelight	high
bʰleg-mn̥	burning, inflammation	firebodymedicine	high
bʰleg-mn̥-₂	blaze, shining fire	firelight	high
bʰleh₁-g-	to set on fire, to blaze	firelight	high
bʰleh₁-g-mn̥-	a flame, blaze	firespectacle	high
bʰleh₁-mn̥	that which blows, breath	airfireritual	high

D5 roots

dʰeǵʰ-	to burn, to kindle	naturefire	high
dʰegʷʰ-	to burn, be warm	fireheattime	high
dʰeh₁-gʷʰ-	to burn, to be warm, dark from burning	colorfire	medium
dʰweyh₂-	to smoke, fumigate, obscure	firesmoke	high
dʰweyh₂-mn̥	smoke, vapor rising from fire	fireweather	high

G5 roots

gʰwer-	to burn, be warm, hot	fireheat	high
gʷeHs-	to quench, extinguish	firecessation	medium
gʷher-₂	to be warm, hot	temperaturefire	high
gʷher-₃	to boil, to heat a liquid	firefood	high
gʷʰer-	warm, hot, heated	qualitiesfire	high

H10 roots

h₂eh₁s-	to burn, glow (of hearth fire)	domesticfire	high
h₂eh₃s-	to be dry, burn	firedryness	high
h₂eyd-	to burn, fire	naturefire	high
h₂eyd-mn̥	burning, a fire-offering	firereligion	medium
h₂eyd-mn̥-	a burning, conflagration	fireemotion	high
h₂eyd-tó-	burned, blazing	fireheatseason	high
h₂eyd-tro-	burning place, altar	firecosmology	high
h₂eydʰ-	to burn, kindle	fireheat	high
H₂eydʰ-	to burn, to kindle a fire	firelight	medium
h₂eydʰ-s-	that which burns, fire, hearth	fireseasonheat	high

K5 roots

keh₂w-	to burn, to be hot	qualitiesfire	high
kerH-eyo-	to keep heating, burning	firematerial	high
kerH-mn̥-	heating device, oven, furnace	domesticfirecraft	high
kremH-	to burn, smolder	fireritual	high
kremH-mn̥	burning, cremation	fireritualdeath	high

P3 roots

péh₂wr̥	fire, flame, burning	naturefire	high
pewH-r̥	fire (nominal)	fireelement	high
pewh₁-r-	fire, burning	fireelement	high

S1 root

stew-

to push upward, to steam

waterliquidfire

medium

T1 root

terkʷ-mn̥

that which twists, torch

twistingpainfire

high