Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ligurian
teu
←
Proto-Italic
*towos
(inherited)
←
Latin
tuus
(inherited)
→
Ligurian
seu
(link)
→
Ligurian
sò
(link)