dismantle
Concise Oxford English Dictionary © 2008 Oxford University Press:
dismantle/dɪsˈmantl/
▶verb take to pieces.
– derivatives
dismantlement noun,
dismantler noun.
dismantlement noun,
dismantler noun.
– origin C16 (in the sense ‘destroy the defensive capability of a fortification’): from OFr. desmanteler, from des- (expressing reversal) + manteler ‘fortify’.
'dismantle' also found in these Oxford entries:

