Where does “stułebny” come from?

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

Ancestry of “stułebny”, step by step

stułebny traces back through two separate lines of ancestry.

via Polish łeb

StepLanguageWordMeaning
1Polishłebanimal head; nut, head
2Proto-Slaviclъbъskull
3Proto-Indo-Europeanlubʰo—

via Proto-Germanic stu-

StepLanguageWordMeaning
1Proto-Germanicstu-—
2Proto-Indo-Europeansteh₂-to stand
Every word from Proto-Indo-European lubʰo →Every word from Proto-Slavic lъbъ →Every word from Polish łeb →