Where does “temerariousness” come from?

temerariousness (English) comes from English temerarious, from Latin temerārius, from Latin temerē, from Proto-Italic temezi, from Proto-Indo-European témHos, from Proto-Indo-European -os — Creates action nouns or result nouns from verbs;...

temerariousness (English): The quality of being temerarious

Definitions

  1. The quality of being temerarious

Ancestry of “temerariousness”, step by step

temerariousness traces back through two separate lines of ancestry.

via English temerarious

StepLanguageWordMeaning
1EnglishtemerariousRecklessly daring or bold
2Latintemerāriusaccidental
3Latintemerēby chance, by accident, at random
4Proto-Italictemeziin darkness, blindly
5Proto-Indo-EuropeantémHosdarkness
6Proto-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 Proto-Indo-European témHosEvery word from Proto-Italic temezi
temerariousness — Etymology, Origin & Word History | Etymology Explorer