h₂ew-mn̥-₂

“a breathing, air current”

Debatedairspace

atmosphere, atrium

Nominal related to breathing/air, giving Greek atmos > atmosphere, Latin ātrium > atrium.‌‍‌‌‍‌‌‌‌‍‌‍‍‌‌‍‌‌‍‌‍‍‍‌‌‍‌‌‍‌‍‍

bʰleh₁-mn̥“that which blows, breath”bʰleh₁-mn̥-₂“a blowing, breath”bʰleh₁-w-“to blow, swell, inflate”dʰewH-mn̥“smoke, vapor, exhalation”ǵheh₂-“to gape, yawn, open wide”ǵheh₂-w-“to gape, be wide open (extended)”h₂erk-mn̥-“an enclosure, contained space”h₂weh₁-nt-“blowing, wind”