ἀκρῑβ-όω · akrib-oō — LSJ
make exact, accurate, to be perfect in, arrange precisely, to be exact, perfect
make exact or accurate, E. Hipp. 469; ἀ. τάδε to be perfect in bearing these hardships, X. Cyr. 2.3.13; arrange precisely, Ar. Ec. 274:—Pass., to be exact or perfect, Ar. Ra. 1483; ἠκριβῶσθαι πρὸς πᾶσαν ἀρετήν Arist. Pol. 1279b1.—Later in Med., J. AJ 17.2.2, Eust. 1799.33, etc.
2 investigate accurately, understand thoroughly, are you sure of . .?, inquire carefully of
investigate accurately, understand thoroughly, οἱ τάδʼ ἠκριβωκότες E. Hec. 1192, cf. X. Cyr. 2.2.9; τοὔνομά μου σὺ ἀκριβοῖς; are you sure of . .? Pl. Chrm. 156a; inquire carefully of, τὸν χρόνον Ev.Matt. 2.7:—Pass., Vett.Val. 265.3.
3 describe accurately
describe accurately, τι Phld. Lib. p.47 O.
4 to be exact
abs., to be exact, ἡ φύσις οὐκ ἀκριβοῖ Arist. GA 778a6; [ὁ ἄνθρωπος] κατὰ τὴν ἁφὴν διαφερόντως ἀκριβοῖ Id. de An. 421a22; ἀ. περί τι GA 780b26.