Welsh

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Etymology

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From awyr (air) +‎ -u.

Verb

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awyru (first-person singular present awyraf)

  1. to air, ventilate, aerate

Mutation

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Welsh mutation
radical soft nasal h-prothesis
awyru unchanged unchanged hawyru
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.