Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
merkurdio
←
Spanish
miércoles
(borrowed)
←
French
mercredi
(borrowed)
←
Italian
mercoledì
(borrowed)
←
Latin
diēs Mercuriī
(derived)