pertinacity

[ pur-tn-as-i-tee ]
/ ˌpɜr tnˈæs ɪ ti /

noun

the quality of being pertinacious; persistence.

Origin of pertinacity

1495–1505; < Late Latin pertinācitās, for Latin pertinācia stubbornness, perseverance (> obsolete pertinacy), equivalent to pertināci- (stem of pertināx) steadfast, stubborn + -tās -ty2. See per-, tenacity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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