Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Polish
żerzec
←
Proto-Balto-Slavic
*girʔ-
(derived)
←
Proto-Indo-European
*gʷerH-
(derived)
←
Proto-Slavic
*žьrьcь
(inherited)
→
Polish
żerca
(inherited)