dŵr croyw

Literally, “pure/plain water”.

dŵr croyw m (uncountable)

1. fresh water, sweet water

   Synonym: (obsolete) aweddwr

• dŵr hallt (“salt water”)
• dŵr lled hallt (“brackish water”)
• dŵr y môr (“sea water”)

• llyfrothen dŵr croyw (“gudgeon”)
• pysgod dŵr croyw (“freshwater fish”)

• R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “dŵr croyw”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies