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