G0198
ἀκριβόω
be exactly
ἀκριβόω, -ῶ (ἀκριβής), [in Aq.: Isa.30:8 49:16 * ;] to enquire with exactness, learn carefully: Mat.2:7, 16 (for similar ex., see MM, VGT, sv.).† (AS)
Full Thayer's lexicon entry
ἀκριβόω — akribóō
ἀκριβόω, (ῶ: 1 aorist ἠκρίβωσα); (ἀκριβής);
1. in secular writings, to know accurately, to do exactly.
2. to investigate diligently: Mat 2:7; Mat 2:16 (ἀκριβῶς ἐξετάζειν, Mat 2:8); Aristotle, gen. anim. 5, 1; Philo, m. opif. § 25 μετά πάσης ἐξετάσεως ἀκριβοῦντες. (Al. to learn exactly, ascertain; cf. Fritzsche or Meyer on Matthew, as above.)
2 occurrences