Where does “sestřenka” come from?

sestřenka (Czech) comes from Czech sestra, from Old Czech sestra, from Proto-Slavic sestrà — sister.

sestřenka (Czech): (female first cousin)

Definitions

  1. (female first cousin)

Ancestry of “sestřenka”, step by step

StepLanguageWordMeaning
1Czechsestrasister; nurse; nun, sister
2Old Czechsestrasister
3Proto-Slavicsestràsister
Every word from Proto-Slavic sestrà →Every word from Old Czech sestra →Every word from Czech sestra →