Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle Low German
dunker
←
Proto-Germanic
*dunkaraz
(inherited)
←
Proto-Germanic
*dunkalaz
(mention)
←
Old Saxon
dunkar
(inherited)
→
German
dunkel
(derived)
→
German
dunkel
(derived(de/no))