Where does “leas-phiuthar” come from?

leas-phiuthar (Scottish Gaelic) comes from Scottish Gaelic piuthar, from Old Irish fiur, from Proto-Celtic swesūr, from Proto-Indo-European swésōr, from Proto-Indo-European su-h₁ésh₂-ōr, from Proto-Indo-European h₁ésh₂r̥ — blood.

leas-phiuthar (Scottish Gaelic): stepsister

Definitions

  1. stepsister

Ancestry of “leas-phiuthar”, step by step

leas-phiuthar traces back through two separate lines of ancestry.

via Scottish Gaelic piuthar

StepLanguageWordMeaning
1Scottish Gaelicpiutharsister, female sibling
2Old IrishfiurLenited form of siur
3Proto-Celticswesūrsister
4Proto-Indo-Europeanswésōrsister
5Proto-Indo-Europeansu-h₁ésh₂-ōr—
6Proto-Indo-Europeanh₁ésh₂r̥blood

via Scottish Gaelic leas

StepLanguageWordMeaning
1Scottish Gaelicleasbenefit, advantage
2Old Irishlessbenefit, profit
3Proto-Celtic*lexstusbenefit, advantage
4Proto-Indo-Europeanh₂lek-to protect
Every word from Proto-Indo-European h₁ésh₂r̥ →Every word from Proto-Indo-European su-h₁ésh₂-ōr →Every word from Proto-Indo-European swésōr →