ˌ ̷ ̷ ̷ ̷ˈrāshən noun
( -s )
Etymology: Medieval Latin pejoration-, pejoratio, from Late Latin pejoratus (past participle of pejorare to become worse, make worse) + Latin -ion-, -io -ion
: a change for the worse : depreciation ; specifically : an historical process by which the semantic and connotative status of a word tends to decline — compare melioration