Where does “leth-phiuthar” come from?

leth-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.

leth-phiuthar (Scottish Gaelic): half sister

Definitions

  1. half sister

Ancestry of “leth-phiuthar”, step by step

leth-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 leth

StepLanguageWordMeaning
1Scottish Gaeliclethhalf
2Old Irishlethhalf; direction; side
3Proto-Celticletosside
4Old Czechlétosummer
5Proto-Slaviclětosummer; year
6Proto-Indo-Europeanleh₁tóm—
Every word from Proto-Indo-European h₁ésh₂r̥ →Every word from Proto-Indo-European su-h₁ésh₂-ōr →Every word from Proto-Indo-European swésōr →