Where does “pusseserė” come from?
pusseserė (Lithuanian) comes from Lithuanian sesuo, from Proto-Balto-Slavic swésō, from Proto-Indo-European swésōr, from Proto-Indo-European su-h₁ésh₂-ōr, from Proto-Indo-European h₁ésh₂r̥ — blood.
pusseserė (Lithuanian): female cousin
Ancestry of “pusseserė”, step by step