Where does “sestra” come from?
sestra (Slovak) comes from Proto-Slavic sestra, from Proto-Slavic sesra, from Proto-Balto-Slavic swésō, from Proto-Indo-European swésōr, from Proto-Indo-European su-h₁ésh₂-ōr, from Proto-Indo-European h₁ésh₂r̥ — blood.
sestra (Slovak): sister; nun; nurse
Ancestry of “sestra”, step by step
Words derived from “sestra”