Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Portuguese
pao
←
Proto-Indo-European
*peh₂ǵ-slos
(inherited)
←
Proto-Indo-European
*peh₂ǵ-
(mention)
←
Proto-Italic
*pākslos
(inherited)
←
Latin
pālus
(inherited)
→
Galician
pau
(inherited)
→
Portuguese
pau
(inherited)