Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Jamtish
kú
←
Proto-Germanic
*kūz
(inherited)
←
Proto-Indo-European
*gʷṓws
(inherited)
←
Old Norse
kýr
(inherited)
←
Old Norse
kú
(mention)