英语词源字典 - 在线词源网站

demotivate (v.)[demotivate 词源字典]: 1976; see de- + motivate. Related: Demotivated; demotivating.[demotivate etymology, demotivate origin, 英语词源]
motivate (v.): 1863, "to stimulate toward action," from motive + -ate (2); perhaps modeled on French motiver or German motivieren. Related: Motivated; motivating.