Where does “заваливаться” come from?

заваливаться (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.

заваливаться (Russian): to fall; to lie down; to tumble down

Definitions

  1. to fall; to lie down; to tumble down

Ancestry of “заваливаться”, step by step

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