Scottish Gaelic edit

Etymology edit

Back-formation from Old Irish fiur, phiur, lenited form of siur, from Proto-Celtic *swesūr, from Proto-Indo-European *swésōr. Old Irish s, when from Primitive Irish *sɸ- (from Proto-Celtic *sw- and *sp-), was lenited as /ɸ/ (spelled ⟨ph⟩ or ⟨f⟩), but Old Irish s, when not from Primitive Irish *sɸ (< *sw-/*sp-), was lenited as /h/, i.e. * > s, but * > f.

Pronunciation edit

Noun edit

piuthar f (genitive singular peathar, plural peathraichean)

  1. sister, female sibling

Declension edit

Derived terms edit

Mutation edit

Scottish Gaelic mutation
Radical Lenition
piuthar phiuthar
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.