Welsh edit

Etymology edit

môr (sea) +‎ milltir (mile)

Noun edit

môr-filltir f (plural mor-filltiroedd)

  1. nautical mile

Mutation edit

Welsh mutation
radical soft nasal aspirate
môr-filltir fôr-filltir unchanged unchanged
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.