Where does “*wolVwā-” come from?

*wolVwā- (Proto-Italic) comes from Proto-Indo-European *wol-ew-o-.

Ancestry of “*wolVwā-”, step by step

Step	Language	Word	Meaning
1	Proto-Indo-European	*wol-ew-o-	—

*wolVwā- — Etymology, Origin & Word History | Etymology Explorer