Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
tesouro
←
Ancient Greek
θησαυρός
(derived)
←
Latin
thēsaurus
(inherited)
←
Old Portuguese
tesouro
(inherited)
→
Galician
Tesouro
(mention)