Where does “osowy” come from?

osowy (Polish) comes from Polish osa, from Proto-Slavic osà, from Proto-Balto-Slavic *wápsāˀ, from Proto-Indo-European wobʰséh₂, from Proto-Indo-European webʰ- — to weave, braid.

Ancestry of “osowy”, step by step

StepLanguageWordMeaning
1Polishosawasp
2Proto-Slavicosàwasp
3Proto-Balto-Slavic*wápsāˀwasp
4Proto-Indo-Europeanwobʰséh₂wasp
5Proto-Indo-Europeanwebʰ-to weave, braid
Every word from Proto-Indo-European webʰ- →Every word from Proto-Indo-European wobʰséh₂ →Every word from Proto-Balto-Slavic *wápsāˀ →