Where does “muszelka” come from?

muszelka (Polish) comes from Polish muszla, from German Muschel, from Old High German muscula, from Proto-Germanic *muskulā, from Latin muscula, from Latin mūsculus, from Ancient Greek μῦς, from Proto-Hellenic *mū́s — mouse.

Ancestry of “muszelka”, step by step

StepLanguageWordMeaning
1Polishmuszlaseashell
2GermanMuschela bivalve; a mussel; a snailshell
3Old High Germanmuscula
4Proto-Germanic*muskulā
5LatinmusculaDiminutive of musca
6Latinmūsculusa small mouse
7Ancient Greekμῦςmouse; A type of mussel; A type of whale
8Proto-Hellenic*mū́s
9Proto-Indo-IranianmúHsmouse
10Proto-Indo-Europeanmúh₂smouse
Every word from Proto-Indo-European múh₂sEvery word from Proto-Indo-Iranian múHsEvery word from Proto-Hellenic *mū́s