Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
puer aeternus
←
Proto-Indo-European
*h₂ey-
(root)
←
Latin
puer
(mention)
←
Latin
aeternus
(mention)