ἐπίπτυγμα
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)
ατος, τό, (ἐπιπτύσσω)
A over-fold, flap, such as covers the orifices in animals, operculum, Arist.PA679b18,HA526b29,528b7: pl., opercula, of crustaceans, Id.Resp.477a4.
German (Pape)
[Seite 973] τό, das Darübergefaltete, der Deckel, bei Arist. H. A. 4, 2 von Schaalthieren, vgl. 4, 5; Schneckengehäuse; der Schwanz des Meerkrebses, sonst ἐπικάλυμμα.