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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D1 root

Root	Meaning	Semantic Field	Confidence	Descendants
dʰegʷʰ-	to burn, be warm	fireheattime	high	0

G3 roots

gʰer-mn̥-₂	warmth, heat (nominal)	heattemperature	high
gʰwer-	to burn, be warm, hot	fireheat	high
gʰwer-mn̥	warm place, oven	heatarchitecture	high

H5 roots

h₂ew-s-tó-	dried, burned by sun	heatdirectiongeography	high
h₂ewk-	to cook, ripen by heat	foodcookingheat	medium
h₂eyd-tó-	burned, blazing	fireheatseason	high
h₂eydʰ-	to burn, kindle	fireheat	high
h₂eydʰ-s-	that which burns, fire, hearth	fireseasonheat	high

K1 root

kelh₂-mn̥-

heated chamber, warm room

domesticheat

medium