Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
hirðir
←
Proto-Germanic
*hirdijaz
(inherited)
←
Old Norse
hirðir
(inherited)
→
Icelandic
hirða
(link)
→
Icelandic
féhirðir
(compound)
→
Luxembourgish
Hiert
(cognate)