Where does “cornudo” come from?

cornudo (Portuguese) comes from Latin Cornutus, from Latin cornū, from Proto-Indo-European ḱerh₂- — head, top; horn.

cornudo (Portuguese): horned

Definitions

Step	Language	Word	Meaning
1	Latin	Cornutus	—
2	Latin	cornū	—
3	Proto-Indo-European	ḱerh₂-	head, top; horn

cornudo — Etymology, Origin & Word History | Etymology Explorer