Where does “brukernavn” come from?

brukernavn (Norwegian Bokmål) comes from Norwegian Bokmål navn, from Danish navn, from Old Danish nauæn, from Old Norse nafn, from Proto-Germanic namô, from Proto-Indo-European h₁nómn̥, from Proto-Indo-European h₃neh₃- — to name.

brukernavn (Norwegian Bokmål): username, user name

Definitions

username, user name

Ancestry of “brukernavn”, step by step

brukernavn traces back through two separate lines of ancestry.

via Norwegian Bokmål navn

Step	Language	Word	Meaning
1	Norwegian Bokmål	navn	name
2	Danish	navn	name; reputation
3	Old Danish	nauæn	name
4	Old Norse	nafn	name, title
5	Proto-Germanic	namô	name
6	Proto-Indo-European	h₁nómn̥	name
7	Proto-Indo-European	h₃neh₃-	to name

via Norwegian Bokmål bruker

Step	Language	Word	Meaning
1	Norwegian Bokmål	bruker	user, utiliser / utilizer; employer, applier;...
2	Norwegian Bokmål	bruke	to use
3	Middle Low German	brūken	to use, utilise, to make use of either an object or a right
4	Old Saxon	brūkan	to enjoy, to make use of
5	Proto-West Germanic	brūkan	to use, to employ; to consume
6	Proto-Germanic	brūkaną	to make use of, employ, use, consume
7	Proto-Indo-European	bʰruHg-	to make use of; have enjoyment of

Every word from Proto-Indo-European h₃neh₃- →Every word from Proto-Indo-European h₁nómn̥ →Every word from Proto-Germanic namô →