Where does “styksyster” come from?

styksyster (Norwegian Nynorsk) comes from Norwegian Nynorsk syster, 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.

styksyster (Norwegian Nynorsk): stepsister

Definitions

  1. stepsister

Ancestry of “styksyster”, step by step

StepLanguageWordMeaning
1Norwegian Nynorsksystersister; a female nurse
2Old Norsesystirsister
3Proto-Norseᛊᚹᛖᛊᛏᚨᚱsister
4Proto-Germanicswestērsister
5Proto-Indo-Europeanswésōrsister
6Proto-Indo-Europeansu-h₁ésh₂-ōr—
7Proto-Indo-Europeanh₁ésh₂r̥blood
Every word from Proto-Indo-European h₁ésh₂r̥ →Every word from Proto-Indo-European su-h₁ésh₂-ōr →Every word from Proto-Indo-European swésōr →