Where does “powo-” come from?

powo- (Proto-Indo-European) comes from Proto-Indo-European pew- — to blow, breathe; to fear; to blow, to breathe.

Ancestry of “powo-”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	pew-	to blow, breathe; to fear; to blow, to breathe

powo- — Etymology, Origin & Word History | Etymology Explorer