Where does “nucar” come from?

nucar (Romanian) comes from Romanian nucă, from Latin nux, from Proto-Italic knuks, from Proto-Indo-European knew-, from Proto-Indo-European ken- — to arise, begin.

Ancestry of “nucar”, step by step

StepLanguageWordMeaning
1Romaniannucăwalnut; nut
2LatinnuxA nut; A nut-tree; A fruit with a hard shell or...
3Proto-Italicknuksnut
4Proto-Indo-Europeanknew-to scrape; scratch; rub; to scratch; scrape; rub
5Proto-Indo-Europeanken-to arise, begin
Every word from Proto-Indo-European ken- →Every word from Proto-Indo-European knew- →Every word from Proto-Italic knuks →