Where does “धुं” come from?

धुं (Old Marathi) comes from Sanskrit धूम, from Proto-Indo-Iranian dʰuHmás, from Proto-Indo-European dʰuh₂mós, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

धुं (Old Marathi): smoke

Definitions

smoke

Ancestry of “धुं”, step by step

Step	Language	Word	Meaning
1	Sanskrit	धूम	smoke, vapour, mist
2	Proto-Indo-Iranian	dʰuHmás	mist, fog; smoke
3	Proto-Indo-European	dʰuh₂mós	smoke
4	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-Indo-Iranian dʰuHmás →