Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
seanathair
←
Irish
sean-
(affix)
←
Irish
athair
(affix)
←
Middle Irish
senathair
(inherited)
←
Old Irish
senathair
(inherited)