κατ-αθλέω · kat-athleō — LSJ
wrestle down, overcome, τινα Plu. Cleom. 27: metaph., τὴν ἀμαθίαν Id. Aud. 2.47f; ἀσκήσει τὸ ἄλογον Cohib. ib. 459b.
master by practice, τοῦτον τὸν τόπον Arr. Epict. 2.17.31.
train, exercise, τινὰς ἐν ἀκοντισμοῖς Plu. Lib.educ. 2.8d:—Pass., -ηθλημένοι ἐν πολέμοις D.H. 13.12.
intr., exercise oneself, train, Plu. Lib.educ. 2.2e; -ηθληκότες well-trained, of soldiers, Id. Mar. 26.