ἐκχαυνόω
From LSJ
λόγῳ ἀναλίσκω τὸν χρόνον τῆς ἡμέρας → waste the day in idle talk, consume the duration of the day with talk
English (LSJ)
A puff up, make vain and arrogant, ἐκ δὲ παίδων χαύνοις φρένας Alc.51; [πόλιν] ἐκχαυνῶν λόγοις E.Supp.412, cf. Phld.Lib. p.32 O.; ἐ. τὸν πολὺν ὄχλον to make them gape and stare, Hp.Art.42.