διασφάλλω
From LSJ
Εὐφήμει, ὦ ἄνθρωπε· ἁσμενέστατα μέντοι αὐτὸ ἀπέφυγον, ὥσπερ λυττῶντά τινα καὶ ἄγριον δεσπότην ἀποδράς → Hush, man, most gladly have I escaped this thing you talk of, as if I had run away from a raging and savage beast of a master
English (LSJ)
A overturn utterly, τὴν τέχνην Luc.Abd.17:—Pass., to fail of, be disappointed of, τινός Aeschin.2.35,3.91, D.S.20.10; τῇ προνοία, ἐν πράξεσι, Plb.5.81.7,4.14.3, cf. Arist.Ath.19.3; πάντα δ. Vett.Val.116.34.
German (Pape)
[Seite 605] verstärktes simplex; τὴν τέχνην Luc. Abdic. 17; διασφαλῆναι τῆς συμμαχίας Aesch. 3, 91; vgl. 2, 35; τῆς ἀληθείας D. Sic. 20, 10.