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8 Words That Are Older Than You Think

validity

[vuh-lid-i-tee] /vəˈlɪd ɪ ti/
noun
1.
the state or quality of being valid:
to question the validity of the argument.
2.
legal soundness or force.
Origin
1540-1550
1540-50; < Late Latin validitās, equivalent to Latin valid(us) valid + -itās- -ity
Related forms
nonvalidity, noun, plural nonvalidities.
prevalidity, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for nonvalidity

validity

n.

1550s, from Middle French validité, from Latin validitatem (nominative validitas) "strength," from validus (see valid).

Online Etymology Dictionary, © 2010 Douglas Harper
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