Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*aiwi
→
Westrobothnian
e
(inherited)
→
Old Norse
æ
(inherited)
→
Swedish
e
(inherited)
→
Swedish
e-
(inherited)