Where does “ojuri” come from?

ojuri (Finnish) comes from Finnish oja, from Proto-Slavic oje, from Proto-Indo-European h₂oyHsos.

Ancestry of “ojuri”, step by step

StepLanguageWordMeaning
1Finnishojaditch, trench; small natural brook
2Proto-Slavicojethill, shaft
3Proto-Indo-Europeanh₂oyHsos
Every word from Proto-Indo-European h₂oyHsosEvery word from Proto-Slavic ojeEvery word from Finnish oja