môr-forwyn

Welsh

Etymology

môr (“sea”) +‎ morwyn (“maid, virgin”)

Noun

môr-forwyn f (plural môr-forynion)

1. mermaid

Mutation

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.