Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
haltr
←
Proto-Germanic
*haltaz
(inherited)
→
Icelandic
haltur
(derived)
→
Norwegian Nynorsk
halt
(inherited)