Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
Tricasses
←
Gaulish
treis
(mention)
←
Proto-Celtic
*trīs
(derived)
←
Proto-Celtic
*kassis
(derived)
←
Ancient Greek
κασσίτερος
(cognate)
→
French
Troyes
(mention)