Agasthya is one of the Saptarishis and the foremost of the Siddhas. He composed Agathiyam, the first grammar book for Tamil language. Agathiyam is a very archaic Tamil that refers to the ancient Tamil language and modern Tamil language people and he learned Tamil from Lord Shiva. His wife's name was Lopamutrai. From his songs we can know that he lived in the sixteenth century. He was the foremost scholar in the history of Trinity.
Books written by Agasthya:
Agastya composed
the 26 suktas of the Rig Veda. He is said to have written the first Tamil
grammar book, Agathiyam. This book is not available. Found in Agasthya's
writings books:
1. Agathiya Venba
2. Agathiya Vaidya
Kommi
3. Agathiya Vaidya
Ratnakaram
4. Agathiya Vaidya
glasses
5. Agathiya Vaidya
1500
6. Agathiyar
Vaidya Chintamani
7. Agathiya
Garbhasutra
8. Agathiya
ayurvetham Vedic Bhashyam
9. Agathiya Vaidya
4600
10. Agathiya
Senthuram 300
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11. Agathiya mani
4000
12. Agathiya
Vaidya Nul Perundhirattu
13. Agathiya
Bhasmam 200
14. Agathiyar Nadi
Shastra
15. Agathiyar
Pakshani
16. Agathiya
Karisil Basyam 200
17. Sivasalam
18. Shakti Salam
19. Shanmukha
Salam
20.
Aarezhuththanthaathi