Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle French
es
←
Middle French
[[en]] + [[les]]
(contraction of)
←
Old French
es
(inherited)
←
Old French
es
(inherited)
→
Middle French
esclairer
(confix)
→
Middle French
esbranler
(prefix)