Tolkappiyam is a book of grammar and poetics written in the language

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Tolkappiyam is a book of grammar and poetics written in the Tamil language. It is considered to be the oldest extant Tamil grammar text and the oldest extant long work of Tamil literature.
The Tolkappiyam is divided into three parts:
• Eluthathikaram (The section on letters)
• Colladikaram (The section on words)
• Poruladikaram (The section on subject matter)
The Tolkappiyam is a highly complex and sophisticated text, and it has been studied and commented on by scholars for centuries. It is an essential text for anyone who wants to understand the Tamil language and its literature. The Tolkappiyam is also a valuable resource for linguists and anthropologists who are interested in the study of language and culture. It provides a unique window into the way that the ancient Tamils thought about their language and their world.