Where does “sœur” come from?

sœur (French) comes from Middle French soeur, from Old French suer, from Latin soror, from Proto-Italic swezōr, from Proto-Indo-European swésōr, from Proto-Indo-European su-h₁ésh₂-ōr, from Proto-Indo-European h₁ésh₂r̥ — blood.

sœur (French): sister; nun

Definitions

  1. sister; nun

Ancestry of “sœur”, step by step

StepLanguageWordMeaning
1Middle Frenchsoeursister
2Old Frenchsuernominative singular of seror; to dry
3Latinsororsister; cousin, daughter of a father's brother;...
4Proto-Italicswezōrsister
5Proto-Indo-Europeanswésōrsister
6Proto-Indo-Europeansu-h₁ésh₂-ōr—
7Proto-Indo-Europeanh₁ésh₂r̥blood

Words derived from “sœur”

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