φθέγγομαι
[in LXX for ענה, נבע hi., etc.;]
of men or animals, to utter a sound or voice: absol., Ac 4:18; seq. ἐν φωνῇ, II Pe 2:16; c. acc., ὑπέρογκα, ib. 18.†
G. Abbott-Smith's A Manual Greek Lexicon of the New Testament
φθέγγομαι
[in LXX for ענה, נבע hi., etc.;]
of men or animals, to utter a sound or voice: absol., Ac 4:18; seq. ἐν φωνῇ, II Pe 2:16; c. acc., ὑπέρογκα, ib. 18.†