Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Kannada
ಹುಬ್ಬು
←
Middle Kannada
ಪುರ್ಬು
(inherited)
←
Old Kannada
ಪುರ್ವು
(inherited)
←
Malayalam
പുരികം
(cognate)
←
Sanskrit
भ्रुवौ
(derived)
←
Sanskrit
भ्रू
(mention)
←
Tamil
புருவம்
(cognate)
←
Undetermined
*puruvu
(mention)
→
Malayalam
പുരികം
(cognate)