Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Imbolc
←
Proto-Indo-European
*h₂melǵ-
(root)
←
Proto-Indo-European
*h₂melǵ-
(derived)
←
Old Irish
[[i]] [[bolg|mbolg]]
(derived)
←
Old Irish
[[imb]]-[[folc|fholc]]
(derived)