Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Esperanto
semajno
←
Moroccan Arabic
سيمانة
(cognate)
←
Spanish
semana
(cognate)
←
French
semaine
(orthographic borrowing)
←
Italian
settimana
(cognate)
←
Latin
septimānus
(derived)
→
Esperanto
semajntago
(affix)
→
Esperanto
semajnfino
(compound)
→
Esperanto
trisemajna
(compound)