Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
emporium
←
English
emporia
(mention)
←
Ancient Greek
ἐμπόριον
(derived)
←
Ancient Greek
ἔμπορος
(mention)
←
Ancient Greek
-ιον
(mention)
←
Ancient Greek
εμ-
(mention)
←
Ancient Greek
εν-
(mention)
←
Ancient Greek
πόρος
(mention)
←
Ancient Greek
ἐν πόρῳ
(mention)
←
Proto-Indo-European
*per- (fare)
(root)
←
Proto-Indo-European
*per-
(derived)
←
Latin
emporium
(borrowed)
←
Latin
emporia
(derived)
→
English
peremptory
(cognate)