Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
aigeal
←
Ancient Greek
Ὠκεανός
(derived(ga/gd))
←
Latin
Ōceanus
(borrowed(ga/gd))
←
Old Irish
océn
(inherited(ga/gd))