Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Gaulish
mi
←
Proto-Celtic
*mī
(inherited)
←
Proto-Indo-European
*h₁me-
(inherited)
←
Proto-Indo-European
*h₁me-n-
(mention)