βουφόντης

From LSJ

ἢ λέγε τι σιγῆς κρεῖττον ἢ σιγὴν ἔχε → either say something better than silence or keep silence (Menander)

Source

Spanish (DGE)

-ου, ὁ matador de reses λίς Euph.22A.17.