Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
galra
←
Proto-Germanic
*galdraz
(derived)
←
Proto-Indo-European
*gʰel-
(derived)
←
Undetermined
(mention)
→
Galician
galar
(link)