Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle High German
helmbarte
←
Proto-Germanic
*helmô
(mention)
←
Proto-Germanic
*bardaz
(mention)
←
Middle High German
halm
(compound)
←
Middle High German
barte
(compound)
→
German
Hellebarde
(mention)