Cwm Du
valley · Gwynedd - Gwynedd
WelshSurmised
Suggested2 sources · name elements
This is a common Welsh place name meaning 'black valley'. It is formed from 'cwm' (valley) and 'du' (black).
Word origins
- Cwm
- Welshvalley(from cwm "valley")
- Du
- Welshblack(from du "black")