Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
[[*sindos|*sinday]] [[*noxs|noxtē]]
→
Irish
anocht
(mention)
→
Scottish Gaelic
a-nochd
(mention)
→
Manx
noght
(mention)
→
Old Irish
innocht
(mention)