Where does “Cocyte” come from?

Cocyte (French) comes from Latin Cocytus, from Ancient Greek κωκυτός, from Ancient Greek κωκῡτός — lamentation.

Ancestry of “Cocyte”, step by step

Step	Language	Word	Meaning
1	Latin	Cocytus	—
2	Ancient Greek	κωκυτός	lamentation
3	Ancient Greek	κωκῡτός	lamentation

Cocyte — Etymology, Origin & Word History | Etymology Explorer