μορμολύκειον
From LSJ
ἐγώ εἰμι τὸ ἄλφα καὶ τὸ ὦ, ὁ πρῶτος καὶ ὁ ἔσχατος, ἡ ἀρχὴ καὶ τὸ τέλος → I am the Alpha and the Omega, the first and the last, the beginning and the end
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.