Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
lucht
←
Proto-Celtic
*luxtus
(inherited)
←
Old Irish
lucht
(inherited)
→
Irish
lasta
(link)
→
Irish
lucht leanúna
(affix)