Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
mille passuum
←
Old Latin
mīlle passum
(inherited)
←
Latin
mīlle
(mention)
←
Latin
passus
(mention)
→
Welsh
milltir
(derived)