What does cerato- mean in Latin?

cerato-, a prefix, means “kerato- (horned; horn-like).”.

Where does cerato- come from?

Proto-Indo-European *ḱer- → Latin cerato-.

LATIN DICTIONARYLexicon Latīnum

prefix

cerato-

Meaning

New Latinmorphemekerato- (horned; horn-like).

Origins

Proto-Indo-European*ḱer-
Latincerato-

Proto-Indo-European *ḱerh₂-der. Proto-Hellenic *kérats Ancient Greek κέρας (kéras)bor. Latin cerato- Borrowed from Ancient Greek κέρας (kéras, “horn”).

Quick answers

What does cerato- mean in Latin?: cerato-, a prefix, means “kerato- (horned; horn-like).”.
Where does cerato- come from?: Proto-Indo-European *ḱer- → Latin cerato-.