Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old French
blont
←
Proto-Germanic
*blundaz
(derived)
←
Proto-Indo-European
*bʰlendʰ-
(derived)
→
Old French
bloi
(mention)