ἢ λέγε τι σιγῆς κρεῖττον ἢ σιγὴν ἔχε → either say something better than silence or keep silence (Menander)
dilatio, prodictio, prolongo, intercalo, exporrigo, porrigo, protraho, suspendo, rejicio, servo, diffindo, protollo, prorogo, moror
