Where does “sisarenpoika” come from?

sisarenpoika (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.

sisarenpoika (Finnish): sororal nephew

Definitions

  1. sororal nephew

Ancestry of “sisarenpoika”, step by step

sisarenpoika traces back through two separate lines of ancestry.

via Finnish sisar

StepLanguageWordMeaning
1Finnishsisarsister
2Proto-Finnicsesarsister
3Proto-Balto-Slavicswésōsister
4Proto-Indo-Europeanswésōrsister
5Proto-Indo-Europeansu-h₁ésh₂-ōr—
6Proto-Indo-Europeanh₁ésh₂r̥blood

via Finnish poika

StepLanguageWordMeaning
1Finnishpoikaboy; son; young
2Proto-Finnicpoikason; boy
3Proto-Uralicpojkaboy; son
Every word from Proto-Indo-European h₁ésh₂r̥ →Every word from Proto-Indo-European su-h₁ésh₂-ōr →Every word from Proto-Indo-European swésōr →