- inequality (n.)
[inequality 词源字典]
- early 15c., "difference of rank or dignity," from Old French inequalité (14c.) and directly from Medieval Latin inaequalitas, from Latin inaequalis "unequal," from in- "not, opposite of" (see in- (1)) + aequalis "equal" (see equal).[inequality etymology, inequality origin, 英语词源]