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arddodiad m (plural arddodiaid)

  1. purpose, intention, design, plan; a placing (on), imposition; imposition of tax, levy; ordinance, an establishing, tradition
  2. adornment
  3. (grammar) preposition; prefix (sometimes in a wider sense, including prepositions); prosthesis, prothesis

Derived termsEdit


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


  • arddodiad”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies, 2014