συγκαταστρέφω

A. bring to an end together, τῇ ἐλευθερίᾳ τὸν βίον Plu. Dem. 3.

II. Med., help to conquer, Th. 6.69, Isoc. 5.126, IG 22.127.44 (iv B.C.), Jul. Ep. 9; ς. τὴν ἀρχήν X. Cyr. 8.1.8.