ἀποχρῆσθαι

From LSJ

ἀγαθοὶ δὲ ἐγένοντο διὰ τὸ φῦναι ἐξ ἀγαθῶν → they were virtuous because they were sprung from virtuous men, virtuous they were because they were sprung from men of virtue

Source

Greek > English (Woodhouse Verbs Reversed)

(see also ἀποχράω): misuse, avail oneself of, use to the full

Lexicon Thucydideum

abuti, multum et libere uti, to misuse, make free and excessive use of, 1.68.4, [vulgo commonly ἐπιχρ.]. 6.17.1, 7.42.3,
conficere, interficere, to finish off, kill, 3.81.2, [vulgo commonly ἀπεχώρησαν].