καταργέω

katargéō - 2673

abolish, cease, cumber, deliver, destroy, do away, become (make) of no (none, without) effect, fail, loose, bring (come) to nought, put away (down), vanish away, make void

to be (render) entirely idle (useless), literally or figuratively

from G2596 (κατά) and G691 (ἀργέω);