ἐκνικᾶν
From LSJ
Νέῳ δὲ σιγᾶν μᾶλλον ἢ λαλεῖν πρέπει → Iuvenem magis tacere quam fari decet → Dem jungen Mann steht Schweigen mehr als Reden an
Greek > English (Woodhouse Verbs Reversed)
(see also: ἐκνικάω) become current, come into currency, come into fashion, come into vogue