Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
Clunia
←
Gaulish
Clunia
(derived)
←
Proto-Celtic
*klowni-
(derived)
←
Celtiberian
*klounia
(derived)