Roots/*gʷʰer-gʷʰer-“warm, hot, heated”Widely acceptedqualitiesfirewarmRoot for warmth. Gives English "warm", Latin formus "warm", Greek thermós.Related RootsH₂eydʰ-“to burn, to kindle a fire”bel-“strong, powerful”bʰerǵʰ-₂“high, elevated”bʰleg-“to shine, burn, flash”bʰleg-eyo-“to keep burning, blazing”bʰleg-mn̥“burning, inflammation”bʰleg-mn̥-₂“blaze, shining fire”bʰleh₁-g-“to set on fire, to blaze”