Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Esperanto
trono
←
Ancient Greek
θρόνος
(derived)
←
Proto-Indo-European
*dʰer-
(root)
→
Ido
trono
(derived)