Where does “stenalder” come from?
stenalder (Norwegian Bokmål) comes from Danish Sten, from Swedish Sten, from Old Swedish sten, from Old Norse Steinn, from Proto-Norse ᛊᛏᚨᛁᚾᚨᛉ, from Proto-Germanic stainaz, from Proto-Indo-European steyh₂-, from Proto-Indo-European steh₂- — to stand.
stenalder (Norwegian Bokmål): the Stone Age
Ancestry of “stenalder”, step by step