Where does “Torsti” come from?
Torsti (Finnish) comes 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 “Torsti”, step by step