Word Origin & History
early 14c., from O.Fr. apaiser, apeser "to pacify, make peace, appease, be reconciled, placate" (12c.), from the phrase a paisier "bring to peace," from a- "to" + pais, from L. pacem (nom. pax) "peace."
early 15c., from O.Fr. apaisement "appeasement, calming," noun of action from apaisier (see appease
). First recorded 1919 in international political sense; not pejorative until failure of Chamberlain's policy toward Germany in 1939 (Methods of appeasement was Chamberlain's
description of his policy).