Where does “Оряхово” come from?

Оряхово (Bulgarian) comes from Old East Slavic орѣхъ, from Proto-Slavic orěxъ, from Proto-Indo-European areyis-.

Ancestry of “Оряхово”, step by step

StepLanguageWordMeaning
1Old East Slavicорѣхъ—
2Proto-Slavicorěxъnut; walnut
3Proto-Indo-Europeanareyis-—

Words derived from “Оряхово”

Every word from Proto-Indo-European areyis- →Every word from Proto-Slavic orěxъ →Every word from Old East Slavic орѣхъ →