gʰwer-

“to burn, be warm, hot”

Widely acceptedfireheat

Source of Latin fornus, English furnace, thermal

Root for warmth/fire, yielding Latin fornus (oven) and English furnace.‍‍‌‍‌‌‌‌‍‍‌‌‍‌‍‌‍‌‌‌‌‌‌‌‍‍‍‍‌‌‍‌

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”bʰleh₁-g-mn̥-“a flame, blaze”bʰleh₁-mn̥“that which blows, breath”dʰeǵʰ-“to burn, to kindle”