proper noun/kaˈin/
Cain (Biblical character)
“Y habló Caín á su hermano Abel: y aconteció que estando ellos en el campo, Caín se levantó contra su hermano Abel, y le mató.” — And Cain talked with Abel his brother: and it came to pass, when they were in the field, that Cain rose up against Abel his brother, and slew him.
Related: pasar las de Caín
Borrowed from Hebrew קַיִן (káyin). Cognate with Old Spanish Caym.