συγκαταστρέφω
From LSJ
ἀσκέειν, περὶ τὰ νουσήματα, δύο, ὠφελέειν, ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm
English (LSJ)
A bring to an end together, τῇ ἐλευθερίᾳ τὸν βίον Plu.Dem.3. II Med., help to conquer, Th.6.69, Isoc.5.126, IG22.127.44 (iv B.C.), Jul.Ep.9; σ. τὴν ἀρχήν X.Cyr.8.1.8.
German (Pape)
[Seite 966] mit oder zugleich beendigen, τὸν βίον, Plut. Dem. 3. – Med. sich zugleich unterwürfig machen, Thuc. 6, 60, Xen. Cyr. 8, 1, 8 u. Folgde.