ἀναπειρᾶσθαι
From LSJ
ἐὰν ταῖς γλώσσαις τῶν ἀνθρώπων λαλῶ καὶ τῶν ἀγγέλων, ἀγάπην δὲ μὴ ἔχω, γέγονα χαλκὸς ἠχῶν ἢ κύμβαλον ἀλαλάζον → though I speak with the tongues of men and of angels and have not charity I am become as sounding brass or a tinkling cymbal
Greek > English (Woodhouse Verbs Reversed)
(see also ἀναπειράομαι, ἀναπείρω): practice manœuvres with ships, practice manoeuvres with ships
Lexicon Thucydideum
exercere se, to practice, 7.7.4, 7.12.5, [vulgo commonly ἀποπειρώμεναι]. 7.51.2, [ante Wass. before Wassius ἀνεπαὑοντο]