Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Gaulish
briua
β
Proto-Celtic
*briwΔ
(inherited)
β
English
bridge
(cognate)
β
Lepontic
ππππππ
(cognate)