ἀποχρῆσθαι
From LSJ
Τραφὲν ὄρεσι καὶ φάραγξιν ἀγρίαις, κήρυξ πέφυκα τῆς λόγου ὑμνῳδίας. Φωνήν μὲν οὐκ ἔναρθρον, εὔηχον δ' ἔχω (Byzantine riddle) → Raised in the mountains and wild ravines, I have become the herald of hymns that are sung. I have no articulate voice...
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].