Where does “fumeyar” come from?

fumeyar (Old Spanish) comes from Vulgar Latin *fūmizāre, from Latin fumō, from Latin fūmus, from Proto-Italic fūmos, from Proto-Indo-European dʰuh₂mós, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

Ancestry of “fumeyar”, step by step

Step	Language	Word	Meaning
1	Vulgar Latin	*fūmizāre	—
2	Latin	fumō	to smoke, steam, fume
3	Latin	fūmus	smoke, steam, fume
4	Proto-Italic	fūmos	smoke
5	Proto-Indo-European	dʰuh₂mós	smoke
6	Proto-Indo-European	dʰewh₂-	smoke; mist, haze

Words derived from “fumeyar”

humear
humeante

Every word from Proto-Indo-European dʰewh₂- →Every word from Proto-Indo-European dʰuh₂mós →Every word from Proto-Italic fūmos →