Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
at
←
English
at
(link)
←
English
that
(link)
←
English
at
(link)
←
Middle English
at
(cognate)
←
Proto-Germanic
*þat
(derived)
←
Proto-Germanic
*at
(derived)
←
Old Norse
at
(derived)
←
Old Norse
at
(derived)
←
Old Norse
at
(derived)
←
Scots
at
(cognate)
→
English
at
(cognate)