Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
áes síde
←
Old Irish
áes
(affix)
←
Old Irish
síd
(affix)
→
Middle Irish
áes side
(inherited)
→
Old Irish
síd
(link)
→
Old Irish
síd
(link)