Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Catalan
viuda
←
Catalan
(mention)
←
Spanish
viuda
(cognate)
←
Proto-Indo-European
*h₁widʰéwh₂
(derived)
←
Latin
vidua
(derived)
←
Latin
*viduva
(mention)
←
Old Catalan
vídua
(mention)
←
Old Catalan
viuva
(mention)
→
Catalan
viudo
(mention)
→
Catalan
vidu
(mention)
→
Catalan
vídua
(mention)