Where does “rigorist” come from?

rigorist (English) comes from Latin rigor, from Latin -or, from Proto-Italic -ōs, from Proto-Indo-European -ōs, from Proto-Indo-European -oss, from Proto-Indo-European -os — Creates action nouns or result nouns from verbs;...

rigorist (English): Someone who takes the strictest interpretation of...

Definitions

  1. Someone who takes the strictest interpretation of...

Ancestry of “rigorist”, step by step

rigorist traces back through two separate lines of ancestry.

via Latin rigor

StepLanguageWordMeaning
1Latinrigorstiffness, rigidity; rigor, cold, harshness,...
2Latin-orused to form a third-declension masculine...
3Proto-Italic-ōsCreates masculine action nouns or result nouns...
4Proto-Indo-European-ōsCreates masculine and feminine action nouns or...
5Proto-Indo-European-oss
6Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

via French rigoriste

StepLanguageWordMeaning
1Frenchrigoristerigoristic
Every word from Proto-Indo-European -osEvery word from Latin -orEvery word from Latin rigor