Where does “неустойчивость” come from?

неустойчивость (Russian) comes from Russian неусто́йчивый, from Russian усто́йчивый, from Russian устоя́ть, from Russian стоя́ть, from Old East Slavic стоꙗти, from Proto-Slavic stojati, from Proto-Slavic stojěti, from Proto-Slavic -ěti — Creates stative verbs from perfective roots;...

неустойчивость (Russian): instability, unsteadiness

Definitions

  1. instability, unsteadiness

Ancestry of “неустойчивость”, step by step

StepLanguageWordMeaning
1Russianнеусто́йчивыйunstable, unsteady, fluctuating, changeable
2Russianусто́йчивыйsteady, stable
3Russianустоя́тьto keep one's balance, to remain on one's feet, to stand one's ground, to stand fast
4Russianстоя́тьto stand
5Old East Slavicстоꙗтиto stand
6Proto-Slavicstojatito stand
7Proto-Slavicstojěti
8Proto-Slavic-ětiInherited, stative; Deadjectival, inchoative;...
9Proto-Balto-Slavic-ēˀtei
10Proto-Indo-European-éh₁tiCreates stative verbs from perfective roots;...
Every word from Proto-Indo-European -éh₁tiEvery word from Proto-Slavic -ětiEvery word from Proto-Slavic stojěti