Where does “sisar” come from?
sisar (Finnish) 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.
sisar (Finnish): sister
Ancestry of “sisar”, step by step
Words derived from “sisar”