Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
pirít
←
Old French
pyrite
(borrowed)
←
Ancient Greek
[[πῡρίτης]] [[λίθος]]
(derived)
←
Ancient Greek
πῦρ
(mention)
←
Latin
pȳritēs
(derived)
→
Irish
iarnphirít
(prefix)