μουστάκιον
From LSJ
Τὸ νικᾶν αὐτὸν αὑτὸν πασῶν νικῶν πρώτη τε καὶ ἀρίστη. Τὸ δὲ ἡττᾶσθαι αὐτὸν ὑφ' ἑαυτοῦ πάντων αἴσχιστόν τε ἅμα καὶ κάκιστον. → Τo conquer yourself is the first and best victory of all, while to be conquered by yourself is of all the most shameful as well as evil
English (LSJ)
τό, Dim. of* μούσταξ ( μύσταξ), An.Ox.3.76. II in pl., = Lat. mustacea, a sort of cake, Chrysipp. Tyan. ap. Ath.14.647d.
Greek (Liddell-Scott)
μουστάκιον: τό, ὑποκορ. τοῦ μούσταξ, (= μύσταξ), Κραμ. Ἀν. Ὀξ. 3. 76. ΙΙ. ἐν τῷ πληθ., Λατ. mustacea, εἶδος πλακοῦντος, Χρύσιππ. Τυαν. παρ’ Ἀθην. 647D· mustacei, παρὰ Κάτωνι R. R. 121.