Where does “mac-peathar” come from?
mac-peathar (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.
mac-peathar (Scottish Gaelic): sororal nephew
Ancestry of “mac-peathar”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Scottish Gaelic | piuthar | sister, female sibling |
| 2 | Old Irish | fiur | Lenited form of siur |
| 3 | Proto-Celtic | swesūr | sister |
| 4 | Proto-Indo-European | swésōr | sister |
| 5 | Proto-Indo-European | su-h₁ésh₂-ōr | — |
| 6 | Proto-Indo-European | h₁ésh₂r̥ | blood |