Where does “ottosisko” come from?

ottosisko (Finnish) comes from Finnish Sisko, 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.

ottosisko (Finnish): adoptive sister

Definitions

  1. adoptive sister

Ancestry of “ottosisko”, step by step

ottosisko traces back through two separate lines of ancestry.

via Finnish Sisko

StepLanguageWordMeaning
1FinnishSiskosister
2Finnishsisarsister
3Proto-Finnicsesarsister
4Proto-Balto-Slavicswésōsister
5Proto-Indo-Europeanswésōrsister
6Proto-Indo-Europeansu-h₁ésh₂-ōr
7Proto-Indo-Europeanh₁ésh₂r̥blood

via Finnish Otto

StepLanguageWordMeaning
1FinnishOttotaking act or action of taking
2GermanOttoOtto
3Old High Germanōtriches; property
4Proto-West Germanicaudwealth, riches
5Proto-Germanicaudazwealth, riches
Every word from Proto-Indo-European h₁ésh₂r̥Every word from Proto-Indo-European su-h₁ésh₂-ōrEvery word from Proto-Indo-European swésōr