Lexical Definition

‎ἀποφθέγγομαι‎ apophthéngomai (ap-of-theng'-om-ahee) to declare G:V
from ‎ἀπό‎ and ‎φθέγγομαι‎

say, speak forth, utterance.

Usage: 7 forms in 9 verses
Form Translated As     In Verse(s)
ἀποφθέγγομαι I utter Acts.26.25
ἀποφθέγγεσθαι to utter forth Acts.2.4
ἀπεφθέγξατο spoke forth Acts.2.14
αποφθεγγόμενοι declaring LXX.Zech.10.2
ones declaring LXX.Mic.5.12
αποφθεγγομένουσ declaring LXX.Ezek.13.9
ones declaring LXX.1Chr.25.1
αποφθέγξονται shall declare LXX.Ps.59.7
αποφθέγγεσθαι you declaring LXX.Ezek.13.19

Abbott-Smith

ἀπο-φθέγγομαι, [in LXX for נבא, etc.;]
to speak forth, give utterance: Ac 2:4, 14 26:25 (MM, s.v.).†

Abbott-Smith References

Book Refs
Acts 2:4 · 2:14 · 26:25

Liddell-Scott-Jones

ἀποφθέγγομαι-φθέγγομαι,

speak one's opinion plainly, [Refs 2nd c.AD+]; utter an apophthegm, [Refs 1st c.BC+]: metaphorically of vessels when struck, ring, σαπρὸν .[Refs 2nd c.AD+]

__II chant hymns, [Refs]