Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Polish
Bretania
←
French
Bretagne
(borrowed)
←
Ancient Greek
Πρεττανία
(derived)
←
Latin
Britannia
(derived)
→
Polish
bretoński
(suffix)