Where does “terveyssisar” come from?

terveyssisar (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.

Ancestry of “terveyssisar”, step by step

terveyssisar 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 terveys

StepLanguageWordMeaning
1Finnishterveyshealth
2Proto-Finnictervehüchealth
3Proto-Finnictervehhealthy, well; solid, whole
4Proto-Finnic-ehForms nominals
Every word from Proto-Indo-European h₁ésh₂r̥