Where does “sõsar” come from?

sõsar (Estonian) comes from Proto-Finnic sesar, from Proto-Balto-Slavic swésō, from Proto-Indo-European swésōr, from Proto-Indo-European su-h₁ésh₂-ōr, from Proto-Indo-European h₁ésh₂r̥ — blood.

sõsar (Estonian): sister

Definitions

sister

Ancestry of “sõsar”, step by step

Step	Language	Word	Meaning
1	Proto-Finnic	sesar	sister
2	Proto-Balto-Slavic	swésō	sister
3	Proto-Indo-European	swésōr	sister
4	Proto-Indo-European	su-h₁ésh₂-ōr	—
5	Proto-Indo-European	h₁ésh₂r̥	blood

Words derived from “sõsar”

sõtse
õde
õetütar

Every word from Proto-Indo-European h₁ésh₂r̥ →

sõsar — Etymology, Origin & Word History | Etymology Explorer