Meaning

adjective having the same evolutionary origin but not necessarily the same function

adjective corresponding or similar in position or structure or function or characteristics; especially derived from an organism of the same species

originEtymology tree Proto-Indo-European *sem- Proto-Indo-European *somHós Proto-Hellenic *homós Ancient Greek ὁμός (homós) Proto-Indo-European *leǵ- Ancient Greek λόγος (lógos) Ancient Greek -λογος (-logos) Ancient Greek ὁμόλογος (homólogos)der. Late Latin homologusder. English homologous From Late Latin homologus, from Ancient Greek ὁμόλογος (homólogos, “agreeing, of one mind”), from ὁμός (homós,…

Etymology from Wiktionary, CC BY-SA 3.0