οὐ γὰρ ἂν τό γε πραχθὲν ἀγένητον θείη → since he cannot make what was done as though it had not come to pass
(=τρέχει ἡ μύξα μου). Ἀπό τό κόρυζα (=μύξα).Παράγωγα: κορυζᾶς (=μυξιάρης), κορυζώδης.