merddwr

Welsh

Alternative forms

• merddwfr, marwddwr

Etymology

From merf (“insipid”) +‎ dŵr (“water”).

Noun

merddwr m (usually uncountable, plural merddyfroedd or merddyrau)

1. stagnant water, standing water

   Synonyms: merbwll, merllyn, llynwyn, sefydlyn

Further reading

• D. G. Lewis, N. Lewis, editors (2005–present), “merddwr”, in Gweiadur: the Welsh-English Dictionary, Gwerin
• R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “merddwr”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies