Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
bwyd
←
Proto-Brythonic
*buɨd
(inherited)
←
Proto-Celtic
*bētom
(inherited)
→
Welsh
bwydo
(suffix)
→
Welsh
abwyd
(affix)
→
Welsh
dawnbwyd
(compound)
→
Welsh
bwyta
(suffix)
→
Welsh
bwyty
(compound)
→
Welsh
bwydydd
(affix)
→
Welsh
cludfwyd
(affix)
→
Irish
bia
(cognate)
→
Old Irish
bíad
(cognate)