h₂eyd-tro-

“burning place, altar”

Widely acceptedfirecosmology

aether, ether, ethereal

Instrumental of *h₂eyd- giving Greek aithēr, English aether, ether, ethereal.

H₂eydʰ-“to burn, to kindle a fire”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”