Where does “mormor” come from?

mormor (Norwegian Bokmål) comes from Norwegian Bokmål mør, from Norwegian Bokmål moder, from Old Norse móðir, from Proto-Germanic mōdēr, from Proto-Indo-European méh₂tēr — mother.

mormor (Norwegian Bokmål): maternal grandmother

Definitions

maternal grandmother

Ancestry of “mormor”, step by step

Step	Language	Word	Meaning
1	Norwegian Bokmål	mør	tender
2	Norwegian Bokmål	moder	synonym of mor
3	Old Norse	móðir	mother
4	Proto-Germanic	mōdēr	mother
5	Proto-Indo-European	méh₂tēr	mother

Every word from Proto-Indo-European méh₂tēr →Every word from Proto-Germanic mōdēr →Every word from Old Norse móðir →