διακωλυτικός
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)
ή, όν,
A preventive, Id.Plt.280d, prob.l. in Poll.7.209.
German (Pape)
[Seite 585] ή, όν, verhindernd; ἔργα Plat. Polit. 280 d; Arist. H. A. 10, 1.