Where does “calvo” come from?

calvo (Galician) comes from Old Portuguese calvo, from Latin calvus, from Proto-Italic kalowos, from Proto-Indo-European klh₂wós — bald.

calvo (Galician): bald; backward horned

Definitions

Step	Language	Word	Meaning
1	Old Portuguese	calvo	—
2	Latin	calvus	bald, hairless
3	Proto-Italic	kalowos	—
4	Proto-Indo-European	klh₂wós	bald

calvo — Etymology, Origin & Word History | Etymology Explorer