Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Galician
mexar
←
Asturian
mexar
(cognate)
←
Dalmatian
miur
(cognate)
←
Spanish
mear
(cognate)
←
Latin
meio
(inherited)
←
Portuguese
mijar
(cognate)
←
Old Portuguese
mejar
(inherited)
→
Galician
mexo
(back-formation)
→
Galician
mexada
(mention)
→
Galician
mexamorno
(compound)
→
Galician
mexacán
(compound)
→
Galician
mexacán
(compound)
→
Portuguese
mijar
(cognate)