Porth Gwidden (EN) / Porthgwydn (KW)

Parish: 
Hundred: 
Notes: 
<dn> - pre-occlusion in modern form.
Elements: 

gwynn

Meaning: 
white, fair, blessed

porth

Meaning: 
cove, gate, harbour
Elements notes: 
<porth> "cove" + <gwynn> "white"