Where does “antihumo” come from?

antihumo (Spanish) comes from Spanish humo, from Old Spanish fumo, from Latin fūmus, from Proto-Italic fūmos, from Proto-Indo-European dʰuh₂mós, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

antihumo (Spanish): antismoking

Definitions

antismoking

Ancestry of “antihumo”, step by step

Step	Language	Word	Meaning
1	Spanish	humo	smoke; steam; fume, fumes
2	Old Spanish	fumo	smoke
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

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