Strong's G2535 · Greek

Κάϊν

Kain · kah'-in

of Hebrew origin (7014); Cain, (i.e. Cajin), the son of Adam

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 3 Καίν (Τ, Κάϊν ), ὁ , indecl. (in FlJ, Κάϊς, -ιος ), (Heb. קַיִן ; Ge 4:1 ), Cain : He 11:4 , I Jo 3:12 , Ju 11 .† 

G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain