Archaize

ar;cha;ism pronunciation: function: noun etymology: new latin archa?smus, from greek archa?smos, from archaiosdate: 1643 1 : the use of archaic diction or style2 : an instance of archaic usage3 : something archaic; especially : something (as a practice or custom) that is outmoded or old-fashioned— ar;cha;ist noun — ar;cha;is;tic adjective — ar;cha;ize verb