Where does “Łebzuch” come from?

Łebzuch (Polish) comes from Polish łeb, from Proto-Slavic lъbъ, from Proto-Indo-European lubʰo.

Ancestry of “Łebzuch”, step by step

StepLanguageWordMeaning
1Polishłebanimal head; nut, head
2Proto-Slaviclъbъskull
3Proto-Indo-Europeanlubʰo—
Every word from Proto-Indo-European lubʰo →Every word from Proto-Slavic lъbъ →Every word from Polish łeb →