dau ddeg

Welsh

**Welsh numbers ^(edit)**
		200
^{[a], [b]} ← 10	^{[a], [b], [c]} ← 19	20	21 → ^{[a], [b]}	30 → ^{[a], [b], [c]}
		2^{[a], [b]}
Cardinal (decimal): dau ddeg, (optionally before a nasal or vowel) dau ddeng Cardinal (vigesimal): ugain Ordinal: ugeinfed Ordinal abbreviation: 20fed
Welsh Wikipedia article on 20

From dau (“two”) +‎ deg (“ten”).

Decimal dau ddeg (“twenty”) is not to be confused with vigesimal deuddeg (“twelve”).

Mutated forms of *dau ddeg*
radical	soft	nasal	aspirate
dau ddeg	ddau ddeg	nau ddeg	unchanged

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