Where does “morsmelk” come from?

morsmelk (Norwegian Bokmål) comes from Norwegian Bokmål melk, from Danish mælk, from Old Norse mjǫlk, from Proto-Germanic meluks, from Proto-Indo-European h₂melǵ- — to milk; milk.

morsmelk (Norwegian Bokmål): breast milk, mother's milk

Definitions

breast milk, mother's milk

Ancestry of “morsmelk”, step by step

morsmelk traces back through two separate lines of ancestry.

via Norwegian Bokmål melk

Step	Language	Word	Meaning
1	Norwegian Bokmål	melk	milk; A juice from plants that looks like milk;...
2	Danish	mælk	milk; milt, roe; imperative of mælke
3	Old Norse	mjǫlk	milk
4	Proto-Germanic	meluks	milk
5	Proto-Indo-European	h₂melǵ-	to milk; milk

via Norwegian Bokmål mør

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 h₂melǵ- →Every word from Proto-Germanic meluks →Every word from Old Norse mjǫlk →