Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-Aryan
*pōstaka
→
Indonesian
pustaka
(derived)
→
Indonesian
pustaha
(derived)
→
Sanskrit
पुस्तक
(derived)
→
Sanskrit
postak
(derived(sa/txb))