Where does “светло-зелёный” come from?

светло-зелёный (Russian) comes from Russian све́тлый, from Proto-Slavic světьlъ, from Proto-Slavic světъ, from Proto-Balto-Slavic śwaitas, from Proto-Indo-European ḱweyt- — to shine.

светло-зелёный (Russian): light green

Definitions

  1. light green

Ancestry of “светло-зелёный”, step by step

светло-зелёный traces back through two separate lines of ancestry.

via Russian све́тлый

StepLanguageWordMeaning
1Russianсве́тлыйlight
2Proto-Slavicsvětьlъbright
3Proto-Slavicsvětъlight; world
4Proto-Balto-Slavicśwaitas—
5Proto-Indo-Europeanḱweyt-to shine

via Russian зелёный

StepLanguageWordMeaning
1Russianзелёныйgreen; inexperienced, raw; sickly, deathly pale
2Proto-Slaviczelenъgreen
3Proto-Slaviczeltiperhaps to hurt, to sting, to inflict trauma
4Proto-Indo-Europeanǵʰelh₃-to flourish; green, yellow
Every word from Proto-Indo-European ḱweyt- →Every word from Proto-Balto-Slavic śwaitas →Every word from Proto-Slavic světъ →