Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
Arverni
←
Gaulish
*Are-lica
(mention)
←
Gaulish
*are
(mention)
←
Gaulish
*lica
(mention)
←
Proto-Celtic
*ɸare
(derived)
←
Proto-Celtic
*ɸlikkā
(cognate)
→
English
Arverni
(derived)
→
French
Auvergne
(mention)
→
Italian
Alvernia
(mention)