Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
Noviodunum
←
Proto-Celtic
*nowyos
(borrowed)
←
Proto-Celtic
*dūnom
(mention)
→
English
Nyon
(derived)