ὑποπέρδομαι
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)
Med.,
A break wind a little, Ar.Ra.1097 (anap.).
German (Pape)
[Seite 1228] (s. πέρδω), dazu oder leise farzen, suppedere, Ar. Ran. 1095.