Where does “raudmus” come from?

raudmus (Norwegian Nynorsk) comes from Norwegian Nynorsk raud, from Old Norse rauðr, from Old English dūn, from Proto-Germanic *dūnā, from Proto-Celtic dūnom, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

raudmus (Norwegian Nynorsk): a northern red-backed vole, "Myodes rutilus"

Definitions

  1. a northern red-backed vole, "Myodes rutilus"

Ancestry of “raudmus”, step by step

raudmus traces back through two separate lines of ancestry.

via Norwegian Nynorsk raud

StepLanguageWordMeaning
1Norwegian Nynorskraudhaving the colour red; socialist, communist
2Old Norserauðrred
3Old Englishdūnhill, down; hill, dune; hill, mountain
4Proto-Germanic*dūnā
5Proto-Celticdūnomstronghold, rampart
6Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via Norwegian Nynorsk mus

StepLanguageWordMeaning
1Norwegian Nynorskmusmouse; pussy; computer mouse
2Old Norsemús
3Proto-Germanicmūsmouse
4Proto-Indo-Europeanmúh₂smouse
Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Celtic dūnomEvery word from Proto-Germanic *dūnā