Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
gleinn
←
Proto-Celtic
*glandeti
(inherited)
←
Proto-Indo-European
*ǵʰlendʰ-
(inherited)
→
Old Irish
fogleinn
(prefix)