Where does “деятель” come from?

деятель (Russian) comes from Russian -тель, from Proto-Slavic -teľь, from Proto-Slavic -jь, from Proto-Indo-European yós, from Proto-Finnic wiša, from Proto-Indo-Iranian wišás, from Proto-Indo-European wisós — fluidity, slime, poison; poison; poison; slime;...

деятель (Russian): doer, actor, agent; personality

Definitions

  1. doer, actor, agent; personality

Ancestry of “деятель”, step by step

StepLanguageWordMeaning
1Russian-тель-er
2Proto-Slavic-teľьDeverbative, forms agent nouns from the...
3Proto-Slavic-jьAdjectival inherited from the Caland roots,...
4Proto-Indo-Europeanyósthat, who, which
5Proto-Finnicwiša
6Proto-Indo-Iranianwišáspoison, venom
7Proto-Indo-Europeanwisósfluidity, slime, poison; poison; poison; slime;...
Every word from Proto-Indo-European wisósEvery word from Proto-Indo-Iranian wišásEvery word from Proto-Finnic wiša