Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
dögg
←
Danish
dug
(cognate)
←
Proto-Germanic
*dawwō
(inherited)
←
Proto-Indo-European
*dʰewh₂-
(root)
←
Proto-Indo-European
*dʰewh₂-
(derived)
←
Old Norse
dǫgg
(inherited)
→
Icelandic
daggarmark
(compound)
→
Icelandic
hunangsdögg
(compound)