Where does “leucos” come from?

leucos (Latin) comes from Ancient Greek λευκός, from Proto-Hellenic *leukós.

leucos (Latin): white

Definitions

Step	Language	Word	Meaning
1	Ancient Greek	λευκός	bright, shining, gleaming; light in color; white;...
2	Proto-Hellenic	*leukós	—

leucos — Etymology, Origin & Word History | Etymology Explorer