Where does “rancour” come from?

rancour (Middle English) comes from Old French rancor, from Latin rancor, 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;...

rancour (Middle English): Jealousy, ire, towards someone; rancour;...

Definitions

  1. Jealousy, ire, towards someone; rancour;...

Ancestry of “rancour”, step by step

StepLanguageWordMeaning
1Old Frenchrancorill-will; negative opinion or intention
2Latinrancorrancidity, stench, rankness; grudge, rancor
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;...

Words derived from “rancour

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