κατακτάομαι · kataktaomai — LSJ
get for oneself, win, κράτος, νοῦν, S. Aj. 768, 1256; ἐγκλήματα, πλούτους, Th. 4.86, Isoc. 4.182: metaph., win over, gain completely, τὸ θέατρον Ael. VH 3.8: aor. 2 Act. κατέκτην (as if from κατάκτημι) dub. in IG 14.1934.
Pass., τοῖς ἰδιώταις -κτώμενα possessed by . . , Phld. Vit.Herc. 1457.10: aor., D.S. 16.56.