Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
Meldi
←
Proto-Celtic
*meldo
(derived)
←
Proto-Celtic
*mlido-
(mention)
←
Proto-Indo-European
*mel-
(derived)
→
French
Meaux
(derived)