promotionyoudaoicibaDictYouDict[promotion 词源字典]
promotion: see motor
[promotion etymology, promotion origin, 英语词源]
promotion (n.)youdaoicibaDictYouDict
c. 1400, "advancement in rank or position," from Old French promocion "election, promotion" (14c., Modern French promotion) and directly from Latin promotionem (nominative promotio) "a moving forward," noun of action from past participle stem of promovere (see promote). Meaning "advertising, publicity" first recorded 1925.