Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*ganyetor
→
Welsh
geni
(inherited)
→
Irish
gin
(inherited)
→
Irish
-gin
(inherited)
→
Scottish Gaelic
gin
(inherited)
→
Old Irish
gainithir
(inherited)