Welsh edit

Etymology edit

môr (sea) +‎ morwyn (maid, virgin)

Noun edit

môr-forwyn f (plural môr-forynion)

  1. mermaid

Mutation edit

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