Where does “światły” come from?

światły (Old Polish) comes from Proto-Slavic světьlъ, from Proto-Slavic světъ, from Proto-Balto-Slavic śwaitas, from Proto-Indo-European ḱweyt- — to shine.

Ancestry of “światły”, step by step

StepLanguageWordMeaning
1Proto-Slavicsvětьlъbright
2Proto-Slavicsvětъlight; world
3Proto-Balto-Slavicśwaitas—
4Proto-Indo-Europeanḱweyt-to shine

Words derived from “światły”

Every word from Proto-Indo-European ḱweyt- →Every word from Proto-Balto-Slavic śwaitas →Every word from Proto-Slavic světъ →