Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ido
etuyo
←
Esperanto
-ujo
(mention)
←
French
étui
(mention)
←
Ido
-et-
(mention)
←
Ido
-uyo
(mention)
←
Ido
-uyo
(mention)
→
Ido
-uyo
(back-formation)
→
Ido
-uyo
(mention)