Abbott-Smith Manual Greek Lexicon
ἀπο-δείκνυμι (G584)
4 ἀπο-δείκνυμι , [in LXX: Es 2:9 ( ראה ), al.;] to bring out , show forth , exhibit (Lft., Notes , 200; ICC , in l.): I Co 4:9 . to declare , show : Ac 2:22 . to prove : Ac 25:7 . As freq. in late Gk., to proclaim to an office: seq. ὅτι , II Th 2:4 (Milligan, in l.; MM, s.v.; Lft., Notes . 113.)†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain