Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Sardinian
istu
←
Spanish
este
(cognate)
←
Latin
istum
(inherited)
←
Latin
iste
(mention)
←
Neapolitan
stu
(cognate)
←
Portuguese
este
(cognate)
←
Romanian
ăst
(cognate)
←
Sicilian
stu
(cognate)