Where does “нещасний” come from?

нещасний (Ukrainian) comes from Ukrainian неща́стя, from Ukrainian щастя, from Old East Slavic съчастиѥ, from Proto-Slavic sъčęstьje, from Proto-Slavic sъ-, from Proto-Indo-European h₁su-, from Proto-Indo-European h₁wes- — good; to be cheerful, happy; to eat, to feast.

нещасний (Ukrainian): unhappy

Definitions

  1. unhappy

Ancestry of “нещасний”, step by step

StepLanguageWordMeaning
1Ukrainianнеща́стяmisery, misfortune, disaster, tragedy
2Ukrainianщастяhappiness; luck, fortune
3Old East Slavicсъчастиѥ—
4Proto-Slavicsъčęstьjehappiness
5Proto-Slavicsъ-good
6Proto-Indo-Europeanh₁su-good
7Proto-Indo-Europeanh₁wes-good; to be cheerful, happy; to eat, to feast
Every word from Proto-Indo-European h₁wes- →Every word from Proto-Indo-European h₁su- →Every word from Proto-Slavic sъ- →