Where does “kaksossisar” come from?

kaksossisar (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.

kaksossisar (Finnish): twin sister

Definitions

  1. twin sister

Ancestry of “kaksossisar”, step by step

kaksossisar 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 kaksonen

StepLanguageWordMeaning
1FinnishkaksonenA twin; When used as modifier in compound terms...
2Finnishkaksitwo
3Proto-Finnickakcitwo
4Proto-Uralic*kakta—
Every word from Proto-Indo-European h₁ésh₂r̥ →