Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
Lemos
←
Proto-Celtic
*lemos
(derived)
←
Proto-Indo-European
*h₁élem
(derived)
←
Latin
Lemavi
(derived)