Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Greek
όμηρος
←
Ancient Greek
ὅμηρος
(derived)
←
Proto-Indo-European
*dʰǵʰm̥mō
(derived)