Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Breton
maen
←
Proto-Brythonic
*maɣɨn
(inherited)
←
Proto-Celtic
*maginos
(inherited)
←
Welsh
maen
(cognate)
←
Cornish
men
(cognate)
←
Old Breton
main
(inherited)
→
English
dolmen
(mention)
→
English
dolmen
(mention)
→
English
menhir
(mention)
→
Welsh
maen
(cognate)
→
French
menhir
(compound)
→
Polish
menhir
(compound)