Where does “pertinaciously” come from?

Pertinaciously comes from Latin pertinax, combining per- and teneo meaning "to hold," ultimately from Proto-Indo-European līg- and ḱóm.

pertinaciously (English): In a stubbornly resolute manner; tenaciously...

Definitions

  1. In a stubbornly resolute manner; tenaciously...

Ancestry of “pertinaciously”, step by step

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