Inability

来自Big Physics

wiktionary

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From earlier inhability(“disqualification for office”), equivalent to in- +‎ ability. Compare Middle French inhabilité, Medieval Latin inhabilitās.


etymonline

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inability (n.)

mid-15c., inhabilite, "disqualification for office," from in- (1) + ability. Earlier was unability "incapability; incompetence" (late 14c.). General sense "state of being unable" is recorded by c. 1500.