amour-propre (n.)youdaoicibaDictYouDict[amour-propre 词源字典]
1775, French, "sensitive self-love, self-esteem;" see amour and proper.
Vanity usually gives the meaning as well, &, if as well, then better. [Fowler]
The term was in Middle English as proper love "self-love."[amour-propre etymology, amour-propre origin, 英语词源]