μηχανούργος

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

Source

Greek Monolingual

μηχανοῦργος, -η, -ον (Μ)
πανούργος, δόλιος.
[ΕΤΥΜΟΛ. < μηχανή + -νοῦργος, κατά τα ραδιούργος, πανούργος].