Where does “не дай бог” come from?

не дай бог (Ukrainian) comes from Ukrainian да́ти, from Ukrainian -е́ць, from Russian -кий, from Proto-Slavic -ъkъ, from Proto-Slavic -kъ, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...

не дай бог (Ukrainian): God forbid

Definitions

  1. God forbid

Ancestry of “не дай бог”, step by step

не дай бог traces back through 3 separate lines of ancestry.

via Ukrainian да́ти

StepLanguageWordMeaning
1Ukrainianда́тиto give
2Ukrainian-е́ць
3Russian-кий-y, -ous: Used to form qualitative adjectives...
4Proto-Slavic-ъkъForms diminutives from old u-stem nouns;...
5Proto-Slavic-kъDeverbal, forms token nouns; From expressive or...
6Proto-Indo-European-kosCreates deadjectival and desubstantival...

via Ukrainian не

StepLanguageWordMeaning
1Ukrainianнеno; not
2Proto-Slavicnenot
3Proto-Balto-Slavicnot
4Proto-Indo-Europeannot; no

via Ukrainian бог

StepLanguageWordMeaning
1Ukrainianбогgod
2Proto-Slavicbȍgъshare, cut, wealth, luck
Every word from Proto-Indo-European -kosEvery word from Proto-Slavic -kъEvery word from Ukrainian -е́ць