Where does “оряховец” come from?

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

оряховец (Bulgarian): walnut groove

Definitions

  1. walnut groove

Ancestry of “оряховец”, step by step

StepLanguageWordMeaning
1Russianорехnut; walnut wood; nut coal; chestnut coal
2Old East Slavicорѣхъ—
3Proto-Slavicorěxъnut; walnut
4Proto-Indo-Europeanareyis-—
Every word from Proto-Indo-European areyis- →Every word from Proto-Slavic orěxъ →Every word from Old East Slavic орѣхъ →