Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
maragda
←
Ancient Greek
σμάραγδος
(derived)
←
Latin
smaragdus
(derived)
→
Catalan
esmaragda
(mention)