Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
abis
←
Ancient Greek
ἄβυσσος
(derived)
←
Latin
abyssus
(borrowed)
→
Irish
aibhéis
(inherited)