Νεμεσεῖον
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)
τό, A temple of Nemesis, St.Byz. s.v. Ἰσεῖον, Theognost.Can.129; written Νεμεσ-ῆον Bull.Soc.Alex. No.4p.50.
Greek (Liddell-Scott)
Νεμεσεῖον: τό, ὁ ναὸς τῆς Νεμέσεως, Θεογν. Κανόν. 129.