κατασείειν
From LSJ
ὁ λόγος τοῦ Θεοῦ οὐ δέδεται → the word of God will not be dishonoured, the word of God will not be dishonored
Greek > English (Woodhouse Verbs Reversed)
(see also κατασείω): batter down, shake down
Lexicon Thucydideum
quassare, to shake, shatter, 2.76.4 (de machina concerning the engine).