un deg tair

Welsh

Welsh numbers ^(edit)

[a], [b], [c] ←  12	13	14  → [a], [b], [c], [d]
Cardinal (feminine / decimal): un deg tair     Cardinal (masculine / decimal): un deg tri     Cardinal (masculine / vigesimal): tri ar ddeg     Cardinal (feminine / vigesimal): tair ar ddeg     Ordinal (masculine): trydydd ar ddeg     Ordinal (feminine): trydedd ar ddeg     Ordinal (vigesimal): (non-standard) triarddegfed     Ordinal abbreviation: 13eg
Welsh Wikipedia article on 13

Etymology

From un (“one”) +‎ deg (“ten”) +‎ tair (“three”).

Pronunciation

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

Numeral

un deg tair

1. (cardinal number, decimal) feminine of un deg tri

   Synonym: tair ar ddeg

Mutation

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