Where does “Þorsteinína” come from?
Þorsteinína (Icelandic) comes from Icelandic Þorsteinn, from Old Norse Þorsteinn, 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 “Þorsteinína”, step by step