μύστρον
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,
A = μυστίλη, Nic.Fr.68.8, cf. Ath.3.126a. 2 spoon, Hippoloch. ap. eund.4.129c, Dsc.3.22, POxy.921.25 (iii A. D.), etc.; μύστρου πλῆθος spoonful, as a dose, Archig. ap. Orib.8.2.28, Herod. Med. ap. eund.8.3.2; μ. alone, as a measure, Gal.13.57, 19.770, Hippiatr.Append.p.446.
