pedwerydd ar bymtheg

Welsh

**Welsh numbers ^(edit)**
^{[a], [b]} ← 18	19	20 →
Cardinal (masculine / vigesimal): pedwar ar bymtheg Cardinal (feminine / vigesimal): pedair ar bymtheg Cardinal (decimal): un deg naw Ordinal (masculine): pedwerydd ar bymtheg Ordinal (feminine): pedwaredd ar bymtheg Ordinal abbreviation: 19eg
Welsh Wikipedia article on 19

From pedwerydd (“fourth”) +‎ ar (“on”) +‎ pymtheg (“fifteen”).

pedwerydd ar bymtheg (feminine singular pedwaredd ar bymtheg, plural pedwerydd ar bymtheg, not comparable)

(ordinal number) nineteenth
- 1588-1620, “1 Cronicl 24:16”, 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 pedwerydd ar bymtheg i Pethahïah, yr ugeinfed i Jehesecel,
  the nineteenth to Pethahiah, the twentieth to Jehezkel,

Mutated forms of *pedwerydd ar bymtheg*
radical	soft	nasal	aspirate
pedwerydd ar bymtheg	bedwerydd ar bymtheg	mhedwerydd ar bymtheg	phedwerydd ar bymtheg

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