Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
postpartum
←
Proto-Indo-European
*per-
(root)
←
Proto-Indo-European
*per-
(derived)
←
Latin
post
(derived)
←
Latin
partum
(mention)
←
Latin
partus
(mention)
←
Latin
pariō
(mention)
→
English
nonpostpartum
(prefix)