Where does “ништяк” come from?

ништяк (Russian) comes from Yiddish נישט, from Old High German niowiht, from Old High German nio, from Old High German io, from Proto-West Germanic aiw, from Proto-Germanic aiwaz, from Proto-Indo-European h₂eyu-, from Proto-Indo-European h₂ey- — vital force, life, age, eternity; day, morning.

ништяк (Russian): tasty food; cookie; food that has been thrown...

Definitions

  1. tasty food; cookie; food that has been thrown...

Ancestry of “ништяк”, step by step

ништяк traces back through two separate lines of ancestry.

via Yiddish נישט

StepLanguageWordMeaning
1Yiddishנישטnot; no
2Old High Germanniowiht
3Old High Germannionever
4Old High Germanioalways
5Proto-West Germanicaiwlong time, age, eternity; law
6Proto-Germanicaiwazlong time, age, eternity
7Proto-Indo-Europeanh₂eyu-vitality; eternal; vital force, life, long life,...
8Proto-Indo-Europeanh₂ey-vital force, life, age, eternity; day, morning

via Romani nyst

StepLanguageWordMeaning
1Romaninyst
Every word from Proto-Indo-European h₂ey-Every word from Proto-Indo-European h₂eyu-Every word from Proto-Germanic aiwaz