Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
garra
←
Breton
gar
(cognate)
←
Gaulish
*garrā
(borrowed)
←
Old Irish
gairri
(cognate)
→
Catalan
esgarrar
(affix)
→
Catalan
garratibat
(compound)