Yappu Ilakkanam — Tamil Prosody

Overview

Yappu Ilakkanam (யாப்பு இலக்கணம்) is the science of Tamil prosody—the rules governing poetic metre, rhythm and verse structure. It is one of the five divisions of Tamil grammar and forms the backbone of classical Tamil poetry. For TN TET candidates, this topic tests your understanding of how Tamil poetry is structured, from the smallest unit (asai) to complete verse forms (paa).

This topic appears consistently in the Tamil grammar section of Paper I and Paper II. Questions typically ask you to identify verse types (venba, agaval, etc.), count metrical feet (seer) in given lines, or match definitions to technical terms. Mastering yappu gives you an edge not only in direct grammar questions but also in comprehending Sangam and devotional poetry passages.

To score well, you must know the hierarchy of prosodic units (asai → seer → adi → thodai → paa), recognise the four major verse forms and their rules, and understand basic concepts of rhyme (edhugai, monai).

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Key Concepts

• **Asai (அசை)** is the smallest metrical unit. Two types exist: *ner asai* (short syllable ending in a short vowel) and *nirai asai* (long syllable or cluster beginning with a short vowel followed by a consonant).

• **Seer (சீர்)** is a metrical foot made of one or more asai. Common seers include *eer asai seer* (two-asai feet like maa, vilam) and *moovasai seer* (three-asai feet like kaani, kaasu).

• **Adi (அடி)** is a poetic line composed of a fixed number of seers. Tamil poetry typically has four seers per adi (naal seer adi).

• **Thodai (தொடை)** refers to poetic ornamentation or rhyme. The two primary types are *edhugai* (second-letter rhyme) and *monai* (first-letter alliteration).

• **Paa (பா)** is the complete verse form. The four classical verse types are Venba, Agaval (Aasiriyappa), Kali and Vanchippa.

• **Venba (வெண்பா)** is the most structured verse—strict rules on ending seer (naal maa or kaasu) and specific rhythm patterns. It is the metre of Thirukkural.

• **Agaval / Aasiriyappa (ஆசிரியப்பா)** is a flexible, flowing metre used extensively in Sangam literature. Lines can vary in length; final foot follows specific rules.

• **Kali (கலிப்பா)** and **Vanchippa (வஞ்சிப்பா)** are less common metres with their own rhythm patterns, often used in specific literary contexts.

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Formulas / Key Facts

| Term | Tamil | Definition | |------|-------|------------| | Asai | அசை | Smallest sound unit (ner or nirai) | | Seer | சீர் | Metrical foot (combination of asai) | | Adi | அடி | Poetic line (combination of seers) | | Thodai | தொடை | Rhyme/ornamentation scheme | | Paa | பா | Complete verse type |