Where does “оусирити” come from?

оусирити (Old Church Slavonic) comes from Proto-Slavic sirъ, from Proto-Indo-European śeiros, from Proto-Indo-European ḱei-ro-.

оусирити (Old Church Slavonic): deprive of parents, orphan

Definitions

  1. deprive of parents, orphan

Ancestry of “оусирити”, step by step

StepLanguageWordMeaning
1Proto-Slavicsirъorphaned
2Proto-Indo-Europeanśeiros—
3Proto-Indo-Europeanḱei-ro-—
Every word from Proto-Indo-European ḱei-ro- →Every word from Proto-Indo-European śeiros →Every word from Proto-Slavic sirъ →