Where does “systurdóttir” come from?
systurdóttir (Icelandic) comes from Icelandic systir, from Old Norse systir, from Proto-Norse ᛊᚹᛖᛊᛏᚨᚱ, from Proto-Germanic swestēr, from Proto-Indo-European swésōr, from Proto-Indo-European su-h₁ésh₂-ōr, from Proto-Indo-European h₁ésh₂r̥ — blood.
systurdóttir (Icelandic): sororal niece
Ancestry of “systurdóttir”, step by step