Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*aryos
→
Gaulish
arios
(inherited)
→
Irish
aire
(inherited)
→
Scottish Gaelic
airidh
(inherited)
→
Ancient Greek
Ἀριόβυστος
(mention)
→
Old Irish
aire
(inherited)