Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
birki-
←
Proto-Germanic
*berkō
(derived)
←
Old Norse
bjǫrk
(mention)
→
Old Norse
birkja
(link)
→
Old Norse
birkiviðr
(prefix)