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