Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latvian
beļģis
←
Proto-Celtic
*bolg-
(mention)
←
Proto-Celtic
*belg-
(mention)
←
Latin
Belgae
(borrowed)
→
Latvian
Beļģija
(suffix)
→
Latvian
beļģietis
(suffix)
→
Latvian
beļģiete
(suffix)
→
Latvian
beļģisks
(suffix)