Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
Dia
←
Proto-Celtic
*dēwos
(inherited)
←
Proto-Indo-European
*dyew-
(root)
←
Old Irish
día
(inherited)
→
Welsh
Duw
(cognate)
→
Scottish Gaelic
dia-mhaslachadh
(compound)
→
Scottish Gaelic
dia-àicheadh
(compound)
→
Cornish
Duw
(cognate)