Where does “желтушка” come from?

желтушка (Russian) comes from Russian жёлтый, from Old East Slavic жьлтъ, from Proto-Slavic žьltъ, from Proto-Balto-Slavic gilˀtas, from Proto-Indo-European ǵʰelh₃- — to flourish; green, yellow.

желтушка (Russian): clouded yellow (Colias)

Definitions

  1. clouded yellow (Colias)

Ancestry of “желтушка”, step by step

StepLanguageWordMeaning
1Russianжёлтыйyellow
2Old East Slavicжьлтъ—
3Proto-Slavicžьltъyellow
4Proto-Balto-Slavicgilˀtasyellow
5Proto-Indo-Europeanǵʰelh₃-to flourish; green, yellow
Every word from Proto-Indo-European ǵʰelh₃- →Every word from Proto-Balto-Slavic gilˀtas →Every word from Proto-Slavic žьltъ →