Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
eang
←
Proto-Brythonic
*ehang
(inherited)
←
Proto-Celtic
*exsangus
(inherited)
←
Proto-Celtic
*exs-
(mention)
←
Proto-Celtic
*angus
(mention)
←
Welsh
ech-
(mention)
←
Proto-Indo-European
*h₁eǵʰs
(derived)
←
Proto-Indo-European
*h₂énǵʰus
(mention)
←
Middle Welsh
ehang
(inherited)
→
Welsh
byd-eang
(affix)
→
Welsh
ehangu
(affix)
→
Welsh
ehangder
(affix)
→
Welsh
eangfrydig
(affix)
→
Welsh
band eang
(affix)