onomastics

Etymology tree Proto-Indo-European *h₁nómn̥ Proto-Hellenic *ónomə Ancient Greek ὄνομᾰ (ónomă) Ancient Greek -ᾰ́ζω (-ắzō) Ancient Greek ὀνομάζω (onomázō) Proto-Indo-European *-tis Ancient Greek -τις (-tis) Ancient Greek -σῐς (-sĭs) Proto-Indo-European *-kos Ancient Greek -κός (-kós) ? Proto-Indo-European *-tós Ancient Greek -τος (-tos) ▲ Ancient Greek -κός (-kós) ? Ancient Greek -τῐκός (-tĭkós) Ancient Greek ὀνομᾰστῐκός (onomăstĭkós)bor. English onomastic Old English -as Middle English -es English -s English onomastics 1936, from the adjective onomastic (“of or belonging to naming”) (1716) with a suffix -s, from French onomastique, from Ancient Greek ὀνομαστικός (onomastikós), from ὀνομαστός (onomastós, “named”), form of ὀνομάζω (onomázō, “I name”), from ὄνομα (ónoma, “name”), from Proto-Indo-European *h₁nómn̥ (“name”) (whence English name).

来源：wiktionary