dwy ar bymtheg

Welsh

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
Welsh Wikipedia article on 17

Etymology

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

Pronunciation

• (North Wales, standard, colloquial) IPA^(key): /ˌduːɨ̯ ar ˈbəmθɛɡ/
  • (North Wales, colloquial) IPA^(key): /ˌduːɨ̯ ar ˈbəmθaɡ/
• (South Wales) IPA^(key): /ˌdʊi̯ ar ˈbəmθɛɡ/

Numeral

dwy ar bymtheg f

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

   Synonym: deuddeg

Usage notes

• 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

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.