Where does “impassionateness” come from?

impassionateness (English) comes from English impassionate, from English passionate, from Middle English passionat, from Latin passionatus, from Latin passionare — to be affected with passion.

impassionateness (English): The quality of being impassionate lacking passion

Definitions

  1. The quality of being impassionate lacking passion

Ancestry of “impassionateness”, step by step

impassionateness traces back through two separate lines of ancestry.

via English impassionate

StepLanguageWordMeaning
1Englishimpassionatefilled with passion; impassioned; Lacking...
2EnglishpassionateGiven to strong feeling, sometimes romantic,...
3Middle EnglishpassionatEasily inflamed
4LatinpassionatusFull of passion
5Latinpassionareto be affected with passion

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 Latin passionareEvery word from Latin passionatusEvery word from Middle English passionat