ἱλέωσις
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)
[ῑλ], εως, ἡ, A propitiation, Plu.in Hes.26.
Greek (Liddell-Scott)
ἱλέωσις: -εως, ἡ, ἐξιλέωσις, Μιχ. Ψελλ. ἐκ τῶν Χαιρήμονος Αἰγυπτιακῶν, Bull. d. cor. hell. I. σ. 201.