Where does “щастие” come from?

щастие (Bulgarian) comes from Russian сча́стье, 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.

щастие (Bulgarian): happiness; luck, good fortune

Definitions

  1. happiness; luck, good fortune

Ancestry of “щастие”, step by step

StepLanguageWordMeaning
1Russianсча́стьеhappiness, good luck
2Old East Slavicсъчастиѥ—
3Proto-Slavicsъčęstьjehappiness
4Proto-Slavicsъ-good
5Proto-Indo-Europeanh₁su-good
6Proto-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- →