γεγωνίσκειν

From LSJ

λύχνον μεθ' ἡμέραν ἅψας περιῄει λέγων ἄνθρωπον ζητῶ → he lit a lamp in broad daylight and said, as he went about, I am looking for a man

Source

Greek > English (Woodhouse Verbs Reversed)

(see also γεγωνίσκω): announce, declare, utter

Lexicon Thucydideum

voce contendere, to compete in speaking, 7.76.1.