Where does “bʰés-mō ~ bʰs-m̥nés” come from?

bʰés-mō ~ bʰs-m̥nés (Proto-Indo-European) comes from Proto-Indo-European bʰes- — wind; to blow, chew, rub; to rub, grind.

Ancestry of “bʰés-mō ~ bʰs-m̥nés”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	bʰes-	wind; to blow, chew, rub; to rub, grind

bʰés-mō ~ bʰs-m̥nés — Etymology, Origin & Word History | Etymology Explorer