Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
jenom
←
Proto-Slavic
*jenъ
(inherited)
←
Old Polish
jeno
(cognate)
→
Old Polish
jeno
(cognate)
→
Old Polish
jéno
(cognate)