μυττός
From LSJ
ὃν οὐ τύπτει λόγος οὐδὲ ῥάβδος → if words don't get through, neither a beating will | if the carrot doesn't work, the stick will not work either | whom words do not strike, neither does the rod
English (LSJ)
όν,
A dumb, Hsch. II = γυναικεῖον αἰδοῖον, Id.
German (Pape)
[Seite 223] mutus, stumm, Hesych.