παρεγγύη
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)
ἡ,
A command, X.An.6.5.13. 2 = allegatio, insinuatio, Gloss. II Dor. παρεγγύα, deposit paid by a contractor, IG42(1).109 ii 152 (Epid., iii B. C.).