μορμολύκειον
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
German (Pape)
[Seite 207] τό (μορμολύττω), ein Schreckbild, Popanz, Schrecker, Μολοττικοὺς τρέφουσι, μορμολύκεια τοῖς μοιχοῖς, κύνας, Ar. Th. 417; Frg. 97. 187; μὴ δεδιέναι τὸν θάνατον ὥςπερ μορμολύκεια, Plat. Phaed. 77 e; Luc. Philops. 25 Tor. 24, oft.
French (Bailly abrégé)
c. μορμολυκεῖον.