Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-Aryan
*saptá
→
Assamese
সাত
(inherited)
→
Gujarati
સાત
(derived)
→
Hindi
सात
(inherited)
→
Kachchi
સાત
(derived)
→
Pali
satta
(inherited)
→
Sanskrit
सप्तन्
(inherited)