Where does “coluro” come from?

coluro (Spanish) comes from Latin colurus, from Ancient Greek κόλουρος, from Ancient Greek οὐρά, from Proto-Indo-European ors- — tail.

coluro (Spanish): colure

Definitions

Step	Language	Word	Meaning
1	Latin	colurus	truncated, too short, mutilated, maimed, mangled;...
2	Ancient Greek	κόλουρος	dock-tailed, stump-tailed; truncated; colure,...
3	Ancient Greek	οὐρά	the tail, of a lion, dog etc; the rear-guard,...
4	Proto-Indo-European	ors-	tail