Where does “Каинъ” come from?

Каинъ (Old Church Slavonic) comes from Ancient Greek Κάϊν, from Biblical Hebrew קַיִן.

Ancestry of “Каинъ”, step by step

StepLanguageWordMeaning
1Ancient GreekΚάϊνCain
2Biblical Hebrewקַיִן

Words derived from “Каинъ

Every word from Biblical Hebrew קַיִןEvery word from Ancient Greek Κάϊν
Каинъ — Etymology, Origin & Word History | Etymology Explorer