Where does “światłolecznictwo” come from?

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

światłolecznictwo (Polish): heliotherapy

Definitions

  1. heliotherapy

Ancestry of “światłolecznictwo”, step by step

światłolecznictwo traces back through two separate lines of ancestry.

via Polish światło

StepLanguageWordMeaning
1Polishświatłolight
2Old Polishświatły
3Proto-Slavicsvětьlъbright
4Proto-Slavicsvětъlight; world
5Proto-Balto-Slavicśwaitas
6Proto-Indo-Europeanḱweyt-to shine

via Polish lecznictwo

StepLanguageWordMeaning
1Polishlecznictwotherapy, therapeutics
2Polish-nik-er
3Old Polish-nikforms masculine nouns referring to a performer of some action, sometimes a device
4Proto-Slavic-nikъFrom the deverbial noun stem of imperfect verbs,...
Every word from Proto-Indo-European ḱweyt-Every word from Proto-Balto-Slavic śwaitasEvery word from Proto-Slavic světъ