Flexibility
来自Big Physics
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late Middle English: from Old French, or from Latin flexibilis, from flectere ‘to bend’.
wiktionary
From French flexibilité, from Late Latin flexibilitās, from Latin flectō(“I bend, curve”). Equivalent to flexible + -ity.
etymonline
flexibility (n.)
1610s, of physical things, from French flexibilité (in Old French, "weakness, vacillation") or directly from Late Latin flexibilitatem (nominative flexibilitas), from Latin flexibilis "pliant, yielding" (see flexible). Of immaterial things from 1783.
