English edit

 
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Etymology edit

From Welsh cwm + y + glo (valley of coal)

Proper noun edit

Cwm-y-glo

  1. A village in Llanrug community, Gwynedd, Wales (OS grid ref SH5562).
  2. A village in Gorslas community and Llannon community, Carmarthenshire, Wales (OS grid ref SN5513). [1]

References edit