Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
éineacht
←
Old Irish
oínḟecht
(inherited)
←
Old Irish
óen
(mention)
←
Old Irish
fecht
(mention)
→
Irish
in éineacht
(compound)
→
Irish
in éineacht le
(compound)