Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
embassy
←
Gaulish
ambaxtos
(derived)
←
Proto-Celtic
*ambaxtos
(derived)
←
Welsh
amaeth
(cognate)
←
English
ambassy
(mention)
←
English
ambassade
(doublet)
←
Middle French
ambassee
(borrowed)
←
Old French
ambascee
(derived)
←
Old French
enbassee
(mention)
←
Proto-Germanic
*ambahtiją
(derived)
←
Proto-Germanic
*ambahtaz
(mention)
←
Proto-Indo-European
*h₂ent-
(root)
←
Proto-Indo-European
*[[h₂m̥bʰi]]-[[h₂eǵ-]]
(derived)
←
Latin
ambascia
(mention)
←
Latin
ambactus
(cognate)
←
Old Occitan
ambaissada
(derived)
←
Old Occitan
ambaissa
(mention)
←
Old Irish
amos
(cognate)
←
Old Irish
amsach
(mention)
→
English
ambassade
(doublet)