Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Sardinian
Sardigna
←
Ancient Greek
Σαρδώ
(derived)
←
Latin
Sardinia
(inherited)
←
Undetermined
*sard, *shard
(mention)