Where does “rancorousness” come from?

rancorousness (English) comes from English rancorous, from English rancor, from Middle English rancour, from Old French rancor, from Latin rancor, from Latin -or, from Proto-Italic -ōs, from Proto-Indo-European -ōs — Creates action nouns or result nouns from verbs;...

rancorousness (English): The quality of being rancorous

Definitions

  1. The quality of being rancorous

Ancestry of “rancorousness”, step by step

rancorousness traces back through two separate lines of ancestry.

via English rancorous

StepLanguageWordMeaning
1EnglishrancorousFull of rancor; bitter; unforgiving
2EnglishrancorThe deepest malignity or spite; deep-seated...
3Middle EnglishrancourJealousy, ire, towards someone; rancour;...
4Old Frenchrancorill-will; negative opinion or intention
5Latinrancorrancidity, stench, rankness; grudge, rancor
6Latin-orused to form a third-declension masculine...
7Proto-Italic-ōsCreates masculine action nouns or result nouns...
8Proto-Indo-European-ōsCreates masculine and feminine action nouns or...
9Proto-Indo-European-oss
10Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

via English Ness

StepLanguageWordMeaning
1EnglishNessAn Ulster princess and the mother of Conchobar mac Nessa and Findchoem in the Ulster Cycle of Irish mythology. Daughter of Eochaid Sálbuide. Also the mother of Cormac Cond Longas by incest with Conchobar mac Nessa
2Middle Englishnesse
3Old Englishnæsnot, not at all; not; first/third-person singular...
4Proto-Germanicnasjąfoothill; headland; cape
5Proto-Indo-Europeannéh₂snose
Every word from Proto-Indo-European -osEvery word from Latin -orEvery word from Latin rancor