β460Βοῦς ἐπὶ γλώττης
an ox on the tongue
[sc. A proverbial phrase] in reference to those who are not able to speak freely: either because of the strength of the animal, or because there was an ox stamped on the Athenian coin which those who spoke freely had to…
Βοῦς ἐπὶ γλώττης· ἐπὶ τῶν μὴ δυναμένων παρρησιάζεσθαι· ἢ διὰ τὴν ἰσχὺν τοῦ ζῴου. ἢ διὰ τὸ τῶν Ἀθηναίων νόμισμα βοῦν ἔχειν ἐγκεχαραγμένον, ὅπερ ἐκτίνειν ἔδει τοὺς παρρησιαζομένους.