Where does “systerskap” come from?
systerskap (Swedish) comes from Swedish syster, from Old Swedish 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.
systerskap (Swedish): sisterhood
Ancestry of “systerskap”, step by step