Lexicon :: Strong's G1272 - dianoigō

διανοίγω; imperfect διήνοιγον; 1 aorist διήνοιξα; passive, 1 aorist διηνοιχθην; [2 aorist διηνοίγην]; perfect participle διηνοιγμένος (Acts 7:56 L T Tr WH); [on variations of augment see references under the word ἀνοίγω]; Sept. chiefly for פָּקַח and פָּתַח; occasionally in secular authors from Plato, Lysias, p. 210 a. down; to open by dividing or drawing asunder (διά), to open thoroughly (what had been closed);
1. properly: ἄρσεν διανοῖγον μήτραν, a male opening the womb (the closed matrix), i. e. the first-born, Luke 2:23 (Exodus 13:2, etc.); οὐρανούς, passive, Acts 7:56 L T Tr WH; the ears, the eyes, i. e. to restore or to give hearing, sight: Mark 7:34, 35 R G; Luke 24:31, (Genesis 3:5, 7; Isaiah 35:5; 2 Kings 6:17, etc.).
2. tropically: τὰς γραφάς, to open the sense of the Scriptures, explain them, Luke 24:32; τὸν νοῦν τινος, to open the mind of one, i. e. cause him to understand a thing, Luke 24:45; τὴν καρδίαν, to open one's soul, i. e. to rouse in one the faculty of understanding or the desire of learning, Acts 16:14, (2 Macc. 1:4; Themistius, orat. 2 de Constantio imp. [p. 29, Harduin edition] διανοίγεταί μου ἡ καρδία κ. διαυγεστέρα γίνεται ἡ ψυχή); absolutely, followed by ὅτι, to explain, expound namely, αὐτάς, i. e. τὰς γραφάς, Acts 17:3. cf. Winer's De verb. comp. etc. Part v., p. 19f.

BLB Scripture Index of Thayer's