ἀριστοπόνος
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)
ον,
A working excellently, χεῖρες Pi.O.7.51; μέλισσα Ps.-Phoc.171; ὑμέναιοι AP9.466: pl., ἀριστοπονῆες, as if from -πονεύς, Man.4.512. Adv.-νως App.Anth.3.182. II excellently wrought, μέλαθρον Nonn.D.44.79.
German (Pape)
[Seite 353] am besten arbeitend, χείρ Pind. Ol. 7, 51; μέλισσα Phocyl. bei Schol. Nic. Al. 448; Ep. ad. (IX, 466) ὑμέναιοι, etwas dunkel.