Lexical Definition

‎διαγινώσκω‎ diaginṓskō (dee-ag-in-o'-sko) to decide G:V
from ‎διά‎ and ‎γινώσκω‎

(would) enquire, know the uttermost.

Usage: 6 forms in 6 verses
Form Translated As     In Verse(s)
διεγνώκειν I had determined LXX.Num.33.56
διαγνώσομαι I will examine Acts.24.22
διαγνωσθή should determine LXX.Deut.8.2
διαγινώσκεται determined LXX.Prov.14.33
διαγινώσκειν to examine Acts.23.15
διάγνωθι Determine LXX.Deut.2.7

Abbott-Smith

δια-γινώσκω (v. previous word), [in LXX chiefly for ידע, and cf. II Mac 9:15 ;]
1. to distinguish, ascertain exactly: Ac 23:15
2. As Athen. law-term, to determine: τὰ καθ’ ὑμᾶς, your case, Ac 24:22 (Cremer, 673).†

Abbott-Smith References

Book Refs
Acts 23:15 · 24:22

Liddell-Scott-Jones

διαγινώσκω,

Ionic dialectand later Attic dialect διαγίνομαι [γῑ], future -γενήσομαι: aorist διεγενόμην, also διεγενήθην [Refs 1st c.BC+]:—go through, pass, τοσάδε ἔτη [Refs 5th c.BC+]: absolutely, go through life, live, [Refs 5th c.BC+]; survive, see reading in [Refs 5th c.BC+]; ἐὰν ἄρα διαγιγνώμεθα if we live long enough, [Refs 4th c.BC+]; δ. ἀπὸ τῆς τέχνης to subsist by it, [Refs 4th c.BC+]; γενναίως δ. ἔν τινι behave nobly in.., [Refs 1st c.AD+]participle, διαγενέσθαι ἄρχων continue in the government, [Refs 5th c.BC+]; οὐδὲν ἄλλο ποιῶν διαγεγένηται διασκοπῶν he was never anything but a theorist, [Refs 4th c.BC+]

__II intervene, elapse, χρόνου μεταξὺ διαγενομένου [Refs 5th c.BC+]; οἴδαμεν.. ἤδη τῇ κρίσει ἐκείνῃ διαγεγονότα ἔτη ὀκτώ Test. cited in [Refs 4th c.BC+]