Where does “свѣтьлость” come from?

свѣтьлость (Old Church Slavonic) comes from Old Church Slavonic свѣтьлъ, from Proto-Slavic světьlъ, from Proto-Slavic světъ, from Proto-Balto-Slavic śwaitas, from Proto-Indo-European ḱweyt- — to shine.

свѣтьлость (Old Church Slavonic): light; shine

Definitions

  1. light; shine

Ancestry of “свѣтьлость”, step by step

StepLanguageWordMeaning
1Old Church Slavonicсвѣтьлъbright, light
2Proto-Slavicsvětьlъbright
3Proto-Slavicsvětъlight; world
4Proto-Balto-Slavicśwaitas—
5Proto-Indo-Europeanḱweyt-to shine
Every word from Proto-Indo-European ḱweyt- →Every word from Proto-Balto-Slavic śwaitas →Every word from Proto-Slavic světъ →