Where does “thermounstable” come from?

thermounstable (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.

thermounstable (English): thermally unstable

Definitions

  1. thermally unstable

Ancestry of “thermounstable”, step by step

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-
Every word from Proto-Indo-European *steh₂-