Where does “бессердечный” come from?
бессердечный (Russian) comes from Russian се́рдце, from Old East Slavic сьрдьце, from Proto-Slavic sьrdьce, from Proto-Balto-Slavic śirˀdís, from Proto-Indo-European ḱḗr — heart.
бессердечный (Russian): heartless
Ancestry of “бессердечный”, step by step