Where does “Cain” come from?

Cain (Latin) comes from Ancient Greek Κάϊν, from Biblical Hebrew קַיִן.

Ancestry of “Cain”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	Κάϊν	—
2	Biblical Hebrew	קַיִן	—

Cain — Etymology, Origin & Word History | Etymology Explorer