Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
kné
←
Proto-Germanic
*knewą
(derived)
←
Proto-Indo-European
*ǵónu
(derived)
←
Old Norse
kné
(derived)
→
Icelandic
hné
(mention)
→
Icelandic
knéfiðla
(compound)