Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Gaulish
dunon
←
Proto-Celtic
*dūnom
(inherited)
←
Proto-Indo-European
*dʰuHnom
(inherited)
←
Proto-Indo-European
*dʰewh₂-
(mention)
→
Middle English
toun
(derived)
→
French
dune
(mention)