Where does “сестрин” come from?

сестрин (Bulgarian) comes from Bulgarian сестра́, from Old Church Slavonic сестра, from Proto-Slavic sestrà — sister.

сестрин (Bulgarian): sister's

Definitions

  1. sister's

Ancestry of “сестрин”, step by step

StepLanguageWordMeaning
1Bulgarianсестра́sister a female sibling
2Old Church Slavonicсестраsister
3Proto-Slavicsestràsister
Every word from Proto-Slavic sestrà →Every word from Old Church Slavonic сестра →Every word from Bulgarian сестра́ →