Where does “unstableness” come from?

unstableness (English) comes from English unstable, from English stable, from Middle English stable, from Anglo-Norman stable, from Latin stabilis, from Latin stare, from Latin sto, from Proto-Italic staēō.

unstableness (English): The quality of being unstable; instability

Definitions

  1. The quality of being unstable; instability

Ancestry of “unstableness”, step by step

unstableness traces back through two separate lines of ancestry.

via English unstable

StepLanguageWordMeaning
1EnglishunstableHaving a strong tendency to change; Fluctuating;...
2EnglishstableA building, wing or dependency set apart and...
3Middle Englishstablestable; Alternative form of stablie; Alternative...
4Anglo-Normanstable
5LatinstabilisThat stands firm; firm, steadfast, steady, sure,...
6Latinstarepresent active infinitive of stō; stand; to be
7LatinstoI stand; I stay, remain; I am
8Proto-Italicstaēōstand
9Proto-Indo-Europeansth₂éh₁yetito stand
10Proto-Indo-European*steh₂-

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 *steh₂-Every word from Proto-Indo-European sth₂éh₁yetiEvery word from Proto-Italic staēō