Where does “sinsersiur” come from?

sinsersiur (Old Irish) comes from Old Irish siur, from Proto-Celtic swesūr, from Proto-Indo-European swésōr, from Proto-Indo-European su-h₁ésh₂-ōr, from Proto-Indo-European h₁ésh₂r̥ — blood.

sinsersiur (Old Irish): elder sister

Definitions

  1. elder sister

Ancestry of “sinsersiur”, step by step

sinsersiur traces back through two separate lines of ancestry.

via Old Irish siur

StepLanguageWordMeaning
1Old Irishsiursister; kinswoman, female relation
2Proto-Celticswesūrsister
3Proto-Indo-Europeanswésōrsister
4Proto-Indo-Europeansu-h₁ésh₂-ōr
5Proto-Indo-Europeanh₁ésh₂r̥blood

via Old Irish sinser

StepLanguageWordMeaning
1Old Irishsinserthe elder, eldest; senior; elders, ancestors,...
2Proto-Indo-European*[[sénos
Every word from Proto-Indo-European h₁ésh₂r̥Every word from Proto-Indo-European su-h₁ésh₂-ōrEvery word from Proto-Indo-European swésōr