Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
escombrar
←
Gaulish
*komberū
(derived)
←
Proto-Celtic
*comboros
(derived)
←
Proto-Celtic
*kom-
(prefix)
←
Proto-Celtic
*bereti
(prefix)
←
Old French
encombrer
(mention)
→
Catalan
escombra
(mention)
→
Catalan
escombra
(mention)
→
Catalan
escombrada
(affix)
→
Catalan
escombracarrers
(compound)
→
Catalan
escombrall
(affix)
→
Catalan
escombraries
(affix)
→
Catalan
escombrador
(affix)