Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Occitan
edat
←
Catalan
edat
(cognate)
←
Proto-Indo-European
*h₂eyu-
(derived)
←
Proto-Indo-European
*h₂ey-
(mention)
←
Proto-Italic
*aiwotāts
(inherited)
←
Proto-Italic
*aiwom
(mention)
←
Proto-Italic
*-tāts
(mention)
←
Latin
aetātem
(inherited)
←
Latin
aetās
(mention)
←
Latin
aevitās
(mention)
←
Old Occitan
edat
(inherited)
←
Old Occitan
etat
(mention)
→
Catalan
edat
(cognate)