Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
göltur
←
Proto-Germanic
*galtô
(inherited)
←
Old Norse
gǫltr
(inherited)
→
Icelandic
broddgöltur
(mention)
→
Icelandic
villigöltur
(prefix)
→
Icelandic
gylta
(mention)