ἀπαράθετος
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)
ον,
A not padded out with quotations, D.L.7.181: hence in Gramm., ἀπαράθετα words or phrases without quoted authority, prob. for ἀπαρένθ-, Et.Gud. s.v. ἀεί.