Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
kjǫr
←
Proto-Germanic
*kuzą
(inherited)
←
Proto-Indo-European
*ǵews-
(root)
←
Proto-Indo-European
*ǵews-
(derived)
→
Icelandic
kjör
(derived)