Welsh

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Etymology

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From peth (thing) +‎ -au.

Pronunciation

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Noun

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pethau m pl

  1. plural of peth
    Synonym: pethach

Derived terms

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Mutation

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Welsh mutation
radical soft nasal aspirate
pethau bethau mhethau phethau
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.