Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
Mediolanum
←
Gaulish
*medyos
(derived)
←
Gaulish
*lānom
(mention)
←
Proto-Celtic
*medyos
(derived)
→
German
Mailand
(derived)
→
Italian
mediolanense
(mention)