gwyrthiol

Welsh

Etymology

From gwyrth +‎ -iol.

Adjective

gwyrthiol (feminine singular gwyrthiol, plural gwyrthiol, equative cyn gwyrthiol, comparative mwy gwyrthiol, superlative mwyaf gwyrthiol)

miraculous

Mutation

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