καρπίς
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 1328] ίδος, ἡ (vgl. καρφίς, κάρφος), die festuca oder vindicta der Römer, die Ruthe, mit welcher der Prätor den Sklaven berührt, wenn er ihn freispricht.