Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
orbbae
←
Proto-Celtic
*orbyom
(inherited)
←
Proto-Indo-European
*h₃erbʰ-
(root)
←
Proto-Indo-European
*h₃erbʰ-
(derived)
→
Irish
forba
(inherited)
→
Old Irish
comarbbae
(affix)