Where does “pertinacity” come from?

Pertinacity comes from Middle French pertinacité, derived from Old French pertinace, meaning stubborn persistence or obstinacy.

pertinacity (English): The state or characteristic of being pertinacious

Definitions

  1. The state or characteristic of being pertinacious

Ancestry of “pertinacity”, step by step

StepLanguageWordMeaning
1Middle Frenchpertinacité
2Old Frenchpertinaceobstinate, stubborn
3Latinpertināxpersevering, obstinate
4Latinpertineōto extend, stretch out, reach, matter
5Latinperthrough, by means of; throughout, during
6LatinAdtoward, to
7Latinilliche, she, it, yonder, that, overthere; in that...
8Latinillethat; those; "; demonstrative pronoun "; that...
9LatinolleArchaic form of ille
10Proto-Italic*olnosthat
Every word from Proto-Italic *olnos