grievance
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 > Greek (Woodhouse)
substantive
injustice: P. and V. ἀδίκημα, τό.
make it a grievance that: Ar. and P. ἀγανακτεῖν, εἰ…, P. χαλεπῶς φέρω εἰ, χαλεπῶς φέρειν εἰ, δεινὸν ποιεῖσθαι εἰ; see complain.