ἢ λέγε τι σιγῆς κρεῖττον ἢ σιγὴν ἔχε → either say something better than silence or keep silence (Menander)
ἀπιπόω, ἐκχυλίζω, ἀποχυλόω, ἀποχυλίζω, ἐκχυμίζω