Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
между
←
Proto-Indo-European
*médʰyos
(inherited)
←
Proto-Slavic
*meďu
(inherited)
→
Bulgarian
междувременно
(compound)