Where does “markmus” come from?

markmus (Norwegian Nynorsk) comes from Norwegian Nynorsk mus, from Old Norse mús, from Proto-Germanic mūs, from Proto-Indo-European múh₂s — mouse.

markmus (Norwegian Nynorsk): a field vole, "Microtus agrestis"

Definitions

  1. a field vole, "Microtus agrestis"

Ancestry of “markmus”, step by step

markmus traces back through two separate lines of ancestry.

via Norwegian Nynorsk mus

StepLanguageWordMeaning
1Norwegian Nynorskmusmouse; pussy; computer mouse
2Old Norsemús—
3Proto-Germanicmūsmouse
4Proto-Indo-Europeanmúh₂smouse

via Norwegian Nynorsk mark

StepLanguageWordMeaning
1Norwegian Nynorskmarka worm; land, ground, field; old Norwegian coin
2Old Norsemark—
3Proto-Germanicmarkąmark, sign, stamp
4Proto-Indo-European*mórǵsboundary, border
Every word from Proto-Indo-European múh₂s →Every word from Proto-Germanic mūs →Every word from Old Norse mús →