Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*neɸūss
→
Breton
ni
(inherited)
→
Welsh
nai
(inherited)
→
Irish
nia
(inherited)
→
Primitive Irish
ᚅᚔᚑᚈᚈᚐ
(inherited)
→
Old Irish
nia
(inherited)