Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
troed
←
Proto-Celtic
*tregess
(inherited)
←
Welsh
(link)
←
Welsh
pêl-droed
(link)
←
Welsh
troedfedd
(link)
←
Welsh
troedio
(link)
←
Middle Welsh
troet
(inherited)
→
Welsh
tro
(mention)
→
Welsh
pêl-droed
(compound)
→
Welsh
troedfedd
(affix)
→
Welsh
troednoeth
(affix)
→
Welsh
pêl droed
(compound)
→
Welsh
troed-yr-ŵydd
(compound)