ἐξυβρίζειν

From LSJ

τὰ ἐς τὴν κοιλίην ἀποκρινόμενα → gastric secretions

Source

Greek > English (Woodhouse Verbs Reversed)

(see also ἐξυβρίζω): act insolently, be audacious

Lexicon Thucydideum

insolescere, to become insolent, 1.84.2.
insolescere, to become insolent, 3.39.5.