dwy ar bymtheg

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Welsh

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Welsh numbers (edit)
[a], [b] ←  16 17 18  → [a], [b], [c], [d]
    Cardinal (feminine / vigesimal): dwy ar bymtheg
    Cardinal (masculine / vigesimal): dau ar bymtheg
    Cardinal (decimal): un deg saith
    Ordinal (feminine / vigesimal): ddwyfed ar bymtheg, dwyfed ar bymtheg
    Ordinal (masculine / vigesimal): ddeufed ar bymtheg, deufed ar bymtheg
    Ordinal: ail ar bymtheg, eilfed ar bymtheg
    Ordinal abbreviation: 17eg

Etymology

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

Pronunciation

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Numeral

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dwy ar bymtheg f

  1. (cardinal number, vigesimal) feminine of dau ar bymtheg
    Synonym: deuddeg

Usage notes

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

Mutation

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