Where does “rivalrousness” come from?

rivalrousness (English) comes from English rivalrous, from English rivalry, from English rival, from Latin rivalitas, from Latin -tās, from Proto-Indo-European -teh₂ts, from Proto-Indo-European -teh₂, from Proto-Indo-European -tós — Creates verbal adjectives from verb stems.

rivalrousness (English): Quality of being rivalrous

Definitions

  1. Quality of being rivalrous

Ancestry of “rivalrousness”, step by step

rivalrousness traces back through two separate lines of ancestry.

via English rivalrous

StepLanguageWordMeaning
1EnglishrivalrousHaving a relationship of rivalry; Which can be...
2EnglishrivalryAn ongoing relationship between rivals who...
3EnglishrivalA competitor with the same goal as another, or...
4Latinrivalitasrivalship, rivalry
5Latin-tāsty, -dom, -hood, -ness, -ship
6Proto-Indo-European-teh₂tsUsed to form nouns representing state of being
7Proto-Indo-European-teh₂Used to form nouns representing state of being
8Proto-Indo-European-tósCreates verbal adjectives from verb stems

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 -tós
rivalrousness — Etymology, Origin & Word History | Etymology Explorer