Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
mentre
←
Spanish
mientras
(cognate)
←
Italian
mentre
(cognate)
←
Latin
[[dum]] + [[interim]]
(inherited)
←
Old Catalan
dementre
(inherited)
→
Catalan
mentrestant
(compound)
→
Catalan
mentrestant
(compound)
→
Italian
mentre
(cognate)