Where does “supersiisti” come from?

supersiisti (Finnish) comes from Finnish siisti, from Russian чи́стый, from Old East Slavic чистъ, from Proto-Slavic čistъ, from Proto-Balto-Slavic skīstas, from Proto-Indo-European skidtos, from Proto-Indo-European (s)keyd-.

supersiisti (Finnish): supercool, excellent, fashionable

Definitions

  1. supercool, excellent, fashionable

Ancestry of “supersiisti”, step by step

supersiisti traces back through two separate lines of ancestry.

via Finnish siisti

StepLanguageWordMeaning
1Finnishsiisticlean, neat; cool, wicked; Third-person singular...
2Russianчи́стыйclean
3Old East Slavicчистъpure; clean
4Proto-Slavicčistъclean, pure
5Proto-Balto-Slavicskīstas
6Proto-Indo-Europeanskidtossplit
7Proto-Indo-European(s)keyd-

via Finnish super

StepLanguageWordMeaning
1Finnishsuper
Every word from Proto-Indo-European (s)keyd-Every word from Proto-Indo-European skidtosEvery word from Proto-Balto-Slavic skīstas