Where does “rigoureux” come from?

rigoureux (French) comes from Latin rigorosus, 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;...

rigoureux (French): rigorous

Definitions

  1. rigorous

Ancestry of “rigoureux”, step by step

rigoureux traces back through two separate lines of ancestry.

via Latin rigorosus

StepLanguageWordMeaning
1Latinrigorosusstiff, rigid; inflexible; rigorous
2Latinrigorstiffness, rigidity; rigor, cold, harshness,...
3Latin-orused to form a third-declension masculine...
4Proto-Italic-ōsCreates masculine action nouns or result nouns...
5Proto-Indo-European-ōsCreates masculine and feminine action nouns or...
6Proto-Indo-European-oss
7Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

via Medieval Latin rigorosus

StepLanguageWordMeaning
1Medieval Latinrigorosusstiff, rigid; inflexible; rigorous

Words derived from “rigoureux

Every word from Proto-Indo-European -osEvery word from Latin -orEvery word from Latin rigor