Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
bri
←
Breton
broen-enn
(cognate)
←
Proto-Celtic
*brinos
(mention)
←
Welsh
brwyn-en
(cognate)
←
French
brin
(cognate)
→
Catalan
esbrinar
(confix)
→
French
brin
(cognate)