Where does “copro-” come from?

copro- (Italian) comes from Ancient Greek κόπρος, from Proto-Indo-European ḱókʷros, from Proto-Indo-European ḱókʷr̥ — excrement.

copro- (Italian): copro-

Definitions

Step	Language	Word	Meaning
1	Ancient Greek	κόπρος	dung, ordure, excrement; dung, manure; filth,...
2	Proto-Indo-European	ḱókʷros	—
3	Proto-Indo-European	ḱókʷr̥	excrement

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