Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Tamil அங்கு
← Proto-Dravidian *a- (derived)
← Tamil அ (mention)

→ Tamil அங்குத்தை (mention)
→ Tamil அங்கே (mention)
→ Tamil அங்காலே (mention)
→ Tamil அங்கிட்டு (mention)