The Rumps (fort) (EN) / Dinas Penntir (KW)

Hundred: 
Notes: 
ancient fort/fortification on The Rumps - no evidence for this. Historic Environment mapping shows only barrows
Elements: 

dinas

Meaning: 
hillfort

penn

Meaning: 
head, end, top

tir

Meaning: 
land
Elements notes: 
dinas 'fort, castle' + penn 'head' + tir 'land'