Etymology tree Proto-Indo-European *ḱem-? Proto-Indo-European *ḱens-der. Proto-Hellenic *kónsmos Ancient Greek κόσμ(ος) (kósm(os)) Proto-Indo-European *-kos Ancient Greek -κός (-kós) Ancient Greek -ῐκός (-ĭkós) Ancient Greek κοσμικός (kosmikós)bor. English cosmic Borrowed from Ancient Greek κοσμικός (kosmikós).