Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
Val do Dubra
←
Proto-Celtic
*dubros
(derived)
←
Galician
val
(mention)
←
Galician
de
(mention)
←
Galician
Dubra
(mention)