Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
Bellovaci
←
Proto-Celtic
*bello
(derived)
←
Proto-Celtic
*uako
(mention)
←
Proto-Celtic
*wāstos
(mention)
←
Proto-Indo-European
*bʰel-
(derived)
←
Latin
Segovax
(mention)
←
Latin
bellum
(mention)
←
Latin
vacuus
(mention)
→
French
Beauvais
(mention)