ἢ λέγε τι σιγῆς κρεῖττον ἢ σιγὴν ἔχε → either say something better than silence or keep silence (Menander)
sc.βοείη δορή, an ox-hide, ox-hide shield, Hom.; gen. pl. βοῶν, contr. for βοέων, Il.