Abbott-Smith Manual Greek Lexicon
ἀπο-φθέγγομαι (G669)
3 † ἀπο-φθέγγομαι , [in LXX for נבא , etc.;] to speak forth , give utterance : Ac 2:4 , 14 26:25 (MM, s.v.).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain