ἀποφθέγγομαι

A. speak one's opinion plainly, Luc. Zeux. 1; utter an apophthegm, Plu. 2.405e, Iamb. VP 11.55; χρησμόν Luc. Alex. 25, cf. D.S. 16.27, Vett.Val. 73.24: metaph. of vessels when struck, ring, σαπρὸν ἀ. Luc. Par. 4.
II. chant hymns, LXX 1 Chr. 25.1.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project