Where does “mutter” come from?

mutter (Norwegian Nynorsk) comes from German mutter, from Middle High German muoter, from Old High German muoter, from Old Frisian mōder, from Proto-Germanic mōdēr, from Proto-Indo-European méh₂tēr — mother.

mutter (Norwegian Nynorsk): a nut

Definitions

a nut

Ancestry of “mutter”, step by step

Step	Language	Word	Meaning
1	German	mutter	mother
2	Middle High German	muoter	mother
3	Old High German	muoter	mother
4	Old Frisian	mōder	—
5	Proto-Germanic	mōdēr	mother
6	Proto-Indo-European	méh₂tēr	mother

Every word from Proto-Indo-European méh₂tēr →Every word from Proto-Germanic mōdēr →Every word from Old Frisian mōder →