Where does “prifumi” come from?

prifumi (Esperanto) comes from Esperanto fumi, from Esperanto fumo, 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.

prifumi (Esperanto): to smoke out, smoke (bees), saturate with smoke

Definitions

to smoke out, smoke (bees), saturate with smoke

Ancestry of “prifumi”, step by step

Step	Language	Word	Meaning
1	Esperanto	fumi	to smoke; to give off smoke; to smoke; to inhale...
2	Esperanto	fumo	smoke
3	Spanish	humo	smoke; steam; fume, fumes
4	Old Spanish	fumo	smoke
5	Latin	fūmus	smoke, steam, fume
6	Proto-Italic	fūmos	smoke
7	Proto-Indo-European	dʰuh₂mós	smoke
8	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 →