Where does “liuskapäälepakko” come from?

liuskapäälepakko (Finnish) comes from Finnish pää, from Proto-Finnic pää, from Proto-Uralic päŋe — head.

Ancestry of “liuskapäälepakko”, step by step

liuskapäälepakko traces back through 3 separate lines of ancestry.

via Finnish pää

StepLanguageWordMeaning
1Finnishpäähead; end, tip
2Proto-Finnicpäähead
3Proto-Uralicpäŋehead

via Finnish lepakko

StepLanguageWordMeaning
1Finnishlepakkobat; lesbian, dyke

via Finnish liuska

StepLanguageWordMeaning
1Finnishliuskasheet, strip
Every word from Proto-Uralic päŋe →Every word from Proto-Finnic pää →Every word from Finnish pää →