Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
moer
←
Proto-Indo-European
*melh₂-
(derived)
←
Latin
molō
(inherited)
←
Old Portuguese
moer
(inherited)
→
Galician
moega
(mention)