τελεσίφρων
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
English (LSJ)
A v. τελεσσίφρων.
German (Pape)
[Seite 1085] ονος, ὁ, ἡ, seinen Sinn, Vorsatz vollendend, ausführend, τελεσσίφρων μῆνις, Aesch. Ag. 700.