Abbott-Smith Manual Greek Lexicon
ὀπτάνω (G3700)
1 † ὀπτάνω , [in LXX: III Ki 8:8 ( ראה ni.), To 12:19 *;] late present as from ὤφθην (= ὁράω ); mid., ὀπτάνομαι , to allow oneself to be seen , to appear . c. dat., Ac 1:3 . (For exx. from π. , v. Deiss., LAE , 79, 252 5 ; MM, ii, xviii.).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain