the.com/controlled explosion

means A deliberate, carefully managed detonation used to disarm, demolish, or neutralize something dangerous rather than let it go off unpredictably.

from Not an ancient word but a modern compound built from two Latin-rooted terms: 'control,' from Old French 'contreroller' (to check accounts against a duplicate register — literally 'counter-roll'), and 'explosion,' from Latin 'explodere,' originally meaning to drive someone off a stage by clapping or hissing. The phrase itself rose with 20th-century bomb disposal and demolition work, becoming shorthand for the paradox of using destruction, on purpose and on a leash, to prevent worse destruction.