εὔπραξις
From LSJ
Τὸ νικᾶν αὐτὸν αὑτὸν πασῶν νικῶν πρώτη τε καὶ ἀρίστη. Τὸ δὲ ἡττᾶσθαι αὐτὸν ὑφ' ἑαυτοῦ πάντων αἴσχιστόν τε ἅμα καὶ κάκιστον. → Τo conquer yourself is the first and best victory of all, while to be conquered by yourself is of all the most shameful as well as evil
English (LSJ)
εως, ἡ, poet. for εὐπραξία, A.Ag.255 (lyr . . sed scrib. divisim).
German (Pape)
[Seite 1090] ἡ, p., dasselbe, πέλοιτο δ' οὖν τἀπὶ τούτοισιν εὔπραξις Aesch. Ag. 246, was besser getrennt εὖ πρᾶξις zu schreiben; vgl. Lob. zu Phryn. p. 501.
Greek (Liddell-Scott)
εὔπραξις: ἡ, ποιητ. ἀντὶ εὐπραξία, Αἰσχύλ. Ἀγ. 255· ἀλλ’ ὁ Λοβέκ. ἐν Φρυν 501 προτιμᾷ πέλοιτο… εὖ πρᾶξις, πρβλ. στ. 500,