Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Boudica
←
Proto-Brythonic
*Bʉðig
(cognate)
←
Proto-Celtic
*Boudīkā
(borrowed)
←
Proto-Celtic
*boudīkos
(derived)
←
Proto-Celtic
*boudi
(derived)
←
Latin
Boudicca
(borrowed)
→
English
Boudican
(suffix)