Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
Deorwente
←
Proto-Brythonic
*Deruentiū
(derived)
←
Proto-Brythonic
*dar
(mention)
←
Welsh
dŵr
(cognate)
←
Welsh
gent
(mention)
←
Latin
Deruentiō
(mention)