:Aspirate mutation:

Pronunciation ˈæspɪrət

One of the word-initial consonant mutations of Welsh, which occurs in a small number of grammatical environments, most notably following the possessive ei (“her”) i. Example: papur (“paper”) ˈpapir, ei phapur hi (“her paper”) i ˈfapir hi.

  • p → f
  • t → θ
  • k → x