ὀνοματοποιός
From LSJ
χαῖρ', ὦ μέγ' ἀχρειόγελως ὅμιλε, ταῖς ἐπίβδαις, τῆς ἡμετέρας σοφίας κριτὴς ἄριστε πάντων → all hail, throng that laughs untimely on the day after the festival, best of all judges of our poetic skill
English (LSJ)
ὁ,
A coiner of names, esp. significant names, Ath. 3.99c, Zos.Alch.p.230 B.
German (Pape)
[Seite 349] ein Wort, einen Namen bildend, bes. indem man einen Naturlaut nachahmt; Ath. III, 99 c; Gramm.