Where does “растеряться” come from?

растеряться (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.

растеряться (Russian): to get lost (of multiple objects, especially if they are many or they are lost one after another)

Definitions

  1. to get lost (of multiple objects, especially if they are many or they are lost one after another)

Ancestry of “растеряться”, 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 →