Where does “Sten” come from?

Sten (Norwegian) comes from Old Norse Steinn, from Proto-Norse ᛊᛏᚨᛁᚾᚨᛉ, from Proto-Germanic stainaz, from Proto-Indo-European steyh₂-, from Proto-Indo-European steh₂- — to stand.

Ancestry of “Sten”, step by step

Step	Language	Word	Meaning
1	Old Norse	Steinn	—
2	Proto-Norse	ᛊᛏᚨᛁᚾᚨᛉ	stone
3	Proto-Germanic	stainaz	stone
4	Proto-Indo-European	steyh₂-	to stiffen
5	Proto-Indo-European	steh₂-	to stand

Every word from Proto-Indo-European steh₂- →

Sten — Etymology, Origin & Word History | Etymology Explorer