Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
wher
←
Old English
hwǣr
(inherited)
←
Proto-West Germanic
*hwār
(inherited)
→
English
where
(mention)
→
Middle English
wherto
(compound)