Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
mör
←
Proto-Germanic
*marhwaz
(derived)
←
Old Norse
mǫrr
(derived)
→
Icelandic
mörgæs
(compound)
→
Icelandic
blóðmör
(compound)