Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
éide
←
Proto-Indo-European
*(s)teg-
(root)
←
Middle Irish
éted
(inherited)
←
Old Irish
étiud
(inherited)
→
Irish
ainéide
(affix)