Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
chwedl
←
Proto-Brythonic
*hwedl
(inherited)
←
Proto-Celtic
*skʷetlom
(derived)
←
Welsh
(mention)
←
Welsh
(mention)
←
Primitive Irish
(derived)
←
Old Irish
scél
(cognate)
←
Middle Welsh
chwetyl
(inherited)
→
Welsh
braich
(mention)
→
Irish
scéal
(cognate)
→
Scottish Gaelic
sgeul
(cognate)
→
Manx
skeeal
(cognate)