Where does “mūs” come from?

mūs (Old Frisian) comes from Proto-West Germanic mūs, from Proto-Germanic mūs, from Proto-Indo-European múh₂s — mouse.

Ancestry of “mūs”, step by step

StepLanguageWordMeaning
1Proto-West Germanicmūsmouse
2Proto-Germanicmūsmouse
3Proto-Indo-Europeanmúh₂smouse

Words derived from “mūs”

Every word from Proto-Indo-European múh₂s →Every word from Proto-Germanic mūs →Every word from Proto-West Germanic mūs →
mūs — Etymology, Origin & Word History | Etymology Explorer