Where does “совершенствоваться” come from?

совершенствоваться (Russian) comes from Russian -ся, from Old East Slavic сѧ, from Proto-Slavic sę, from Proto-Balto-Slavic *sen, from Proto-Indo-European swé — self.

совершенствоваться (Russian): to perfect oneself, to improve one's skills, to upgrade one's skills

Definitions

  1. to perfect oneself, to improve one's skills, to upgrade one's skills

Ancestry of “совершенствоваться”, step by step

StepLanguageWordMeaning
1Russian-сяReflexive suffix appended to finite verbs and...
2Old East Slavicсѧ—
3Proto-Slavicsęoneself: myself, yourself, himself, herself,...
4Proto-Balto-Slavic*senoneself
5Proto-Indo-Europeanswéself
Every word from Proto-Indo-European swé →Every word from Russian -ся →Every word from Proto-Balto-Slavic *sen →