Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
etho-
←
Ancient Greek
ἦθος
(mention)
←
Proto-Indo-European
*dʰeh₁-
(root)
→
English
ethosome
(affix)