Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*manyetor
→
Irish
adhmad
(mention)
→
Manx
aamaid
(mention)
→
Old Irish
admat
(mention)
→
Old Irish
muinethar
(inherited)