Where does “bʰé-bʰos-ti” come from?

bʰé-bʰos-ti (Proto-Indo-European) comes from Proto-Indo-European bʰes- — wind; to blow, chew, rub; to rub, grind.

Ancestry of “bʰé-bʰos-ti”, step by step

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

bʰé-bʰos-ti — Etymology, Origin & Word History | Etymology Explorer