Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ancient Greek
ἐχθρός
←
Ancient Greek
-ρός
(affix)
←
Proto-Indo-European
*h₁eǵʰs
(inherited)
←
Proto-Indo-European
*h₁eǵʰs-teros
(inherited)
←
Latin
exter
(cognate)
→
Greek
εχθρός
(inherited)
→
Ancient Greek
ἐλεαίρω
(mention)