Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Portuguese
eu
←
Galician
eu
(cognate)
←
Proto-Indo-European
*éǵh₂
(inherited)
←
Proto-Italic
*egō
(inherited)
←
Latin
ego
(inherited)
←
Portuguese
ego
(doublet)
←
Romanian
eu
(cognate)
←
Old Portuguese
eu
(inherited)
←
Sardinian
eo
(cognate)
→
Aragonese
yo
(cognate)
→
Portuguese
para
(mention)
→
Portuguese
ego
(doublet)
→
Portuguese
eu sou mais eu
(mention)
→
Portuguese
eu sou mais eu
(mention)
→
Portuguese
euzinho
(affix)
→
Portuguese
euzinha
(affix)
→
Romanian
eu
(cognate)
→
Sardinian
eo
(cognate)