deunawfed

Welsh

Welsh numbers ^(edit)

[a], [b], [c], [d], [e], [f] ←  17	18	19  → [a], [b]
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

Alternative forms

• 18fed (abbreviation)

Etymology

From deunaw (“eighteen”) +‎ -fed (“-th”).

Pronunciation

• (North Wales) IPA^(key): /deɨ̯ˈnau̯vɛd/
• (South Wales) IPA^(key): /dei̯ˈnau̯vɛd/

Adjective

deunawfed (feminine singular deunawfed, plural deunawfed, not comparable)

1. (ordinal number) eighteenth
   • 1588-1620, “1 Croncicl 24:15”, in William Morgan, transl., edited by William Parry and John Davies, Mallwyd, Y Bibl Cyssegr-Lan, sef yr Hen Destament a’r Newydd‎^[1], page 434; republished London, 1804:

     Y ddeufed ar bymtheg i Hezir, y deunawfed i Aphses,

     the seventeenth to Hezir, the eighteenth to Aphses

Mutation

Welsh mutation
radical	soft	nasal	aspirate
deunawfed	ddeunawfed	neunawfed	unchanged
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.