τεκμηρίωσις
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)
εως, ἡ,
A proof, Arr.An.4.7.5, 5.4.2.
German (Pape)
[Seite 1082] ἡ, Beweis, Arrian. An. 4, 7, 8.
Greek (Liddell-Scott)
τεκμηρίωσις: ἡ, ἀπόδειξις, Ἀρρ. Ἀν. 4. 7., 5. 4.