Where does “Wnuk” come from?

Wnuk (English) comes from Polish Wnuk, from Old Polish wnuk, from Proto-Slavic vъnukъ — grandson.

Ancestry of “Wnuk”, step by step

StepLanguageWordMeaning
1PolishWnukgrandson
2Old Polishwnuk—
3Proto-Slavicvъnukъgrandson
Every word from Proto-Slavic vъnukъ →Every word from Old Polish wnuk →Every word from Polish Wnuk →