Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
deithbir
←
Welsh
diwedd
(cognate)
←
Old Irish
dí-
(affix)
←
Old Irish
aithber
(affix)
←
Old Irish
dead
(mention)
→
Irish
deifir
(inherited)