Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
herða
←
Proto-Germanic
*hardijaną
(derived)
←
Old Norse
herða
(derived)
→
Icelandic
stæla
(link)