Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
obrir
←
Spanish
abrir
(cognate)
←
French
ouvrir
(cognate)
←
Latin
cooperīre
(mention)
←
Latin
aperīre
(inherited)
←
Latin
aperiō
(mention)
←
Occitan
obrir
(cognate)
←
Occitan
dobrir
(mention)
←
Old Occitan
obrir
(inherited)
←
Old Occitan
ubrir
(mention)
→
Aragonese
ubrir
(cognate)
→
Catalan
obreampolles
(affix)
→
Catalan
reobrir
(affix)
→
French
ouvrir
(cognate)