Where does “swester” come from?

swester (Old Dutch) comes from Proto-Germanic swestēr, from Proto-Indo-European swésōr, from Proto-Indo-European su-h₁ésh₂-ōr, from Proto-Indo-European h₁ésh₂r̥ — blood.

Ancestry of “swester”, step by step

StepLanguageWordMeaning
1Proto-Germanicswestērsister
2Proto-Indo-Europeanswésōrsister
3Proto-Indo-Europeansu-h₁ésh₂-ōr
4Proto-Indo-Europeanh₁ésh₂r̥blood

Words derived from “swester

Every word from Proto-Indo-European h₁ésh₂r̥Every word from Proto-Indo-European su-h₁ésh₂-ōrEvery word from Proto-Indo-European swésōr