Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Indonesian
purba
←
Indonesian
purwa
(doublet)
←
Malay
purba
(inherited)
←
Sanskrit
पूर्व
(borrowed)
→
Indonesian
purwa
(doublet)
→
Indonesian
purbakala
(prefix)