ἐπαισχύνεσθαι
From LSJ
οὐ γὰρ ἂν τό γε πραχθὲν ἀγένητον θείη → since he cannot make what was done as though it had not come to pass
Greek > English (Woodhouse Verbs Reversed)
(see also ἐπαισχύνομαι): be abashed, be ashained, be ashamed of, be ashamed to, be shy of