From amguedd (“treasure, wealth”) + -fa, -ma. The word was constructed by William Owen Pughe, an antiquarian and grammarian. He also constructed other words which have become everyday words in the Welsh language.
|Note: Some of these forms may be hypothetical. Not every|
possible mutated form of every word actually occurs.
- “amgueddfa”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies, 2014