Where does “świstuła” come from?

świstuła (Polish) comes from Polish świstać, from Proto-Slavic *svistati — to whistle, to swish.

Ancestry of “świstuła”, step by step

StepLanguageWordMeaning
1Polishświstaćto swish, to whistle, to whiz
2Proto-Slavic*svistatito whistle, to swish
Every word from Proto-Slavic *svistati →Every word from Polish świstać →