rhyfeddol

Welsh

Etymology

From rhyfedd +‎ -ol.

Adjective

rhyfeddol (feminine singular rhyfeddol, plural rhyfeddol, equative mor rhyfeddol, comparative mwy rhyfeddol, superlative mwyaf rhyfeddol)

1. wondrous, marvellous, fantastic

Mutation

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