Where does “ruinousness” come from?

ruinousness (English) comes from English ruinous, from Middle English ruynous, from Old French ruineus, from Latin ruinosus, from Latin ruīna, from Latin ruō, from Proto-Indo-European h₃rew-, from Proto-Indo-European -w-.

ruinousness (English): The quality of being ruinous

Definitions

  1. The quality of being ruinous

Ancestry of “ruinousness”, step by step

ruinousness traces back through two separate lines of ancestry.

via English ruinous

StepLanguageWordMeaning
1EnglishruinousCausing ruin; destructive, calamitous; Extremely...
2Middle EnglishruynousRuined; showing signs of deterioration or...
3Old Frenchruineus
4Latinruinosusruined, tumbledown; ruinous
5Latinruīnaa falling down, collapse, ruin, destruction
6Latinruōto hurry, rush, hasten, move quickly
7Proto-Indo-Europeanh₃rew-to run, to hurry
8Proto-Indo-European-w-

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 -w-Every word from Proto-Indo-European h₃rew-Every word from Latin ruō