Schermaus (German) comes from German maus, from Middle High German mūs, from Old High German mūs, from Proto-West Germanic mūs, from Proto-Germanic mūs, from Proto-Indo-European múh₂s — mouse.
Schermaus (German): water vole
Definitions
water vole
Ancestry of “Schermaus”, step by step
Schermaus traces back through two separate lines of ancestry.