Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
garrocha
←
Proto-Celtic
*garrā
(derived)
←
French
-
(cognate)
←
French
garrocher
(mention)
←
French
garrot
(mention)
→
Galician
arrocho
(mention)