Where does “социа́л-демокра́т” come from?

социа́л-демокра́т (Russian) comes from Russian демокра́т, from French démocrate, from French démocratie, from Middle French democratie, from Medieval Latin democratia, from Ancient Greek δημοκρατία, from Ancient Greek δημο-, from Ancient Greek δῆμος — to turn, bend, twist, wind; to tie, bind...

социа́л-демокра́т (Russian): social democrat