συνεύδω
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 sleep or lie with, c. dat., Hdt.3.69; τῷ παλαμναίῳ S.El. 587, cf. E.El.1145; τοῦ ξυνεύδοντος χρόνου the time coincident with sleep, A.Ag.894.
German (Pape)
[Seite 1021] (s. εὕδω), mit, zugleich, zusammen schlafen, τινί; von der Gattinn, Soph. El. 577; γυναικί, Her. 3, 69; übertr., ὁ ξυνεύδων χρόνος, Aesch. Ag. 868; Eur. El. 1145 Andr. 172.