Where does “myszoskoczek” come from?

myszoskoczek (Polish) comes from Polish skoczyć, from Proto-Slavic skočiti, from Proto-Indo-European skok-eye-ti, from Proto-Indo-European sḱek- — to pass, happen.

Ancestry of “myszoskoczek”, step by step

myszoskoczek traces back through two separate lines of ancestry.

via Polish skoczyć

StepLanguageWordMeaning
1Polishskoczyćto jump
2Proto-Slavicskočitito jump, leap
3Proto-Indo-Europeanskok-eye-ti
4Proto-Indo-Europeansḱek-to pass, happen

via Polish mysz

StepLanguageWordMeaning
1Polishmyszmouse
2Proto-Slavicmỳšьmouse
3Proto-Indo-Europeanmúh₂smouse
Every word from Proto-Indo-European sḱek-Every word from Proto-Indo-European skok-eye-tiEvery word from Proto-Slavic skočiti