- weakness (n.)
[weakness 词源字典]
- c. 1300, "quality of being weak," from weak + -ness. Meaning "a disadvantage, vulnerability" is from 1590s. That of "self-indulgent fondness" is from 1712; meaning "thing for which one has an indulgent fondness" is from 1822.[weakness etymology, weakness origin, 英语词源]