Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Occitan
ensenhar
←
Catalan
ensenyar
(cognate)
←
Spanish
enseñar
(cognate)
←
French
enseigner
(cognate)
←
Latin
īnsignō
(mention)
←
Latin
signō
(inherited)
←
Old Occitan
(inherited)
→
Catalan
ensenyar
(cognate)
→
Occitan
ensenhament
(affix)