Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Kannada
ತೆಂಕಣ
←
Proto-Dravidian
*teṉ
(inherited)
←
Malayalam
തെക്ക്
(cognate)
←
Sanskrit
दक्षिण
(derived)
←
Tamil
தென்
(cognate)
←
Undetermined
*dakkhiṇa
(mention)
→
Malayalam
തെക്ക്
(cognate)