Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
comesto
←
Proto-Indo-European
*h₁édti
(derived)
←
Proto-Italic
*edō
(derived)
←
Latin
comestus
(inherited)
←
Latin
con
(prefix)
←
Latin
edō
(prefix)
←
Old Portuguese
comesto
(inherited)