ratissage

Etymology
From, from.

Noun

 * 1) A raid (especially violent) carried out by the police or military, originally and chiefly carried out by the French in Algeria.  and, prior to that, by the Milice (Vichy Government counter-terror police) in 1943-44.
 * 2)  A monetary device whereby national reserves are temporarily given up to a central bank.
 * 1)  A monetary device whereby national reserves are temporarily given up to a central bank.
 * 1)  A monetary device whereby national reserves are temporarily given up to a central bank.

Etymology
From.

Noun

 * 1) raking, combing, sweeping
 * 2)  search, search and sweep (operation),