dau ar bymtheg

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Welsh[edit]

Welsh cardinal numbers
 <  16 17 18  > 
    Cardinal : dau ar bymtheg
    Ordinal : ail ar bymtheg
    Decimal : un deg saith

Etymology[edit]

From dau (two) +‎ ar (on) +‎ pymtheg (fifteen).

Pronunciation[edit]

Numeral[edit]

dau ar bymtheg m (feminine form dwy ar bymtheg)

  1. (vigesimal) seventeen
    Synonym: un deg saith

Usage notes[edit]

The vigesimal dau ar bymtheg can only be used with masculine nouns whereas the synonymous decimal un deg saith can be used with nouns of any gender.

Mutation[edit]

Welsh mutation
radical soft nasal aspirate
dau ar bymtheg ddau ar bymtheg nau ar bymtheg unchanged
Note: Some of these forms may be hypothetical. Not every
possible mutated form of every word actually occurs.