un deg wyth

Welsh

Welsh numbers ^(edit)

[a], [b], [c] ←  17	18	19  → [a], [b], [c]
Cardinal (feminine / vigesimal): tair ar bymtheg, ugain namyn dwy     Cardinal (decimal): un deg wyth     Cardinal (vigesimal): deunaw     Ordinal (masculine / vigesimal): trydydd ar bymtheg     Ordinal: deunawfed     Ordinal abbreviation: 18fed
Welsh Wikipedia article on 18

Etymology

From un (“one”) +‎ deg (“ten”) +‎ wyth (“eight”).

Pronunciation

• (North Wales) IPA^(key): /ˌɨ̞ndɛɡ ˈuːɨ̯θ/
• (South Wales) IPA^(key): /ˌɪndɛɡ ˈʊi̯θ/

Numeral

un deg wyth

1. (cardinal number, decimal) eighteen

   Synonym: deunaw

Mutation

Mutated forms of un deg wyth

radical	soft	nasal	h-prothesis
un deg wyth	unchanged	unchanged	hun deg wyth

Note: Certain mutated forms of some words can never occur in standard Welsh.
All possible mutated forms are displayed for convenience.