Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
Bríd
←
Proto-Celtic
*Brigantī
(inherited)
←
Scottish Gaelic
Brìghde
(cognate)
←
Manx
Breeshey
(cognate)
←
Old Irish
Brigit
(inherited)
→
Irish
Brídín
(affix)
→
Manx
Breeshey
(cognate)