Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*glēwos
→
Welsh
gloyw
(inherited)
→
Irish
gléas
(derived)
→
Scottish Gaelic
glé
(inherited)
→
Scottish Gaelic
glè
(inherited)
→
Scottish Gaelic
gleus
(derived)
→
Latin
Glevum
(derived)