Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
widwe
←
Old English
widuwe
(inherited)
←
Proto-Germanic
*widuwǭ
(inherited)
←
Proto-West Germanic
*widuwā
(inherited)
←
Proto-Indo-European
*h₁widʰéwh₂
(inherited)
→
English
widow
(inherited)