Where does “soster” come from?

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

soster (Galician): to hold up, support; first-person singular...

Definitions

  1. to hold up, support; first-person singular...

Ancestry of “soster”, step by step

soster traces back through two separate lines of ancestry.

via Middle Dutch suster

StepLanguageWordMeaning
1Middle Dutchsustersister; sister, nun
2Old Dutchswester—
3Proto-Germanicswestērsister
4Proto-Indo-Europeanswésōrsister
5Proto-Indo-Europeansu-h₁ésh₂-ōr—
6Proto-Indo-Europeanh₁ésh₂r̥blood

via Old Portuguese sostẽer

StepLanguageWordMeaning
1Old Portuguesesostẽer—
2LatinsustineoI hold up or upright, uphold, keep up, bear up,...
3Latinsub-under, sub
4Proto-Indo-Europeanupóunder, below
5Proto-Indo-Europeanh₃ewp-—

Words derived from “soster”

Every word from Proto-Indo-European h₁ésh₂r̥ →Every word from Proto-Indo-European su-h₁ésh₂-ōr →Every word from Proto-Indo-European swésōr →