Welsh edit

Etymology edit

From cadair (chair) +‎ -au, together with internal vowel change from -air- to -eir- in the root.

Noun edit

cadeirau f pl

  1. plural of cadair

Mutation edit

Welsh mutation
radical soft nasal aspirate
cadeirau gadeirau nghadeirau chadeirau
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.