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Indian Grammar Traditions: How India Studied Language

India studied language for over two thousand years. Sounds were arranged in the varnamala by the place in the mouth where they are made. Panini wrote the Ashtadhyayi, about 4,000 short rules, and packed sounds into the Shiva-sutras so that rules could be short. Words were built from a root (dhatu) plus an ending (pratyaya). Yaska, Katyayana, Patanjali, Bhartrihari, Hemachandra and the Tamil Tolkappiyam each added to this tradition.

🎬 Step-by-step story

  1. This is the varnamala, India's sound chart. Vowels sit on top. Below are 25 consonants in five rows. Each cell is one sound.
  2. Five rows, five places in the mouth: throat, palate, top of the mouth, teeth, lips. Every sound in a row is made at the same place.
  3. Panini packed sounds into 14 boxes (the Shiva-sutras). Cutting a slice gives a short name, a pratyahara: ac means all vowels, hal means all consonants.
  4. Making a word is a rule: root (dhatu) plus ending (pratyaya). bhu + a + ti join to give bhavati, "is".
  5. A timeline of grammar scholars: Yaska, Panini, Katyayana, Patanjali, Bhartrihari, Hemachandra, and the Tamil Tolkappiyam. Dates are rough.
  6. Free play: pick a group of sounds. Its row glows and you see its letters, the place in the mouth and example words.

Tip: drag the 3D scene to turn it. Use two fingers to zoom.

🤔 Common doubts, cleared

Why does the chart have exactly five rows?

The five rows are the five main places in the mouth where these stops are made: throat, palate, top of the mouth, teeth and lips.

What is the difference between ta in the third and fourth row?

In the retroflex row the tongue curls back to the top of the mouth. In the dental row the tongue touches the teeth.

Is pratyahara a real word I can say?

Yes, it is a code word like "ac" or "hal", used only in grammar rules.

Why does bhu become bhav?

A rule of joining changes the vowel before an ending. The strengthened vowel u becomes av, which gives bhav-a-ti.

Why are dates marked as rough?

There are few firm records for such early authors, so scholars estimate their time from their writing.

Is the last step only for Sanskrit?

The chart is used for Sanskrit and also forms the base of the alphabet order in most Indian languages.

The sound chart: varnamala

The varnamala ("garland of letters") lists the sounds of Sanskrit and most Indian languages in a neat order. First come vowels (svara). Then consonants (vyanjana) in five rows (vargas) of five. Every row is named after its first sound: ka-varga, cha-varga, ta-varga (retroflex), ta-varga (dental), pa-varga.

The order is not random. Each row is made at one place in the mouth, moving from the back (throat) to the front (lips). Inside a row the five sounds go: hard, hard with a puff of breath, soft, soft with a puff, and nasal (through the nose).

Panini and the Ashtadhyayi

Panini lived around the 5th to 4th century BCE. His book the Ashtadhyayi ("eight chapters") has about 4,000 very short rules called sutras. A sutra is a rule squeezed into a few words, easy to remember and to teach.

To make rules short, Panini used the Shiva-sutras (Maheshvara-sutras): the sounds arranged in 14 boxes. A pratyahara is a short code made from the first sound of a box and the marker at the end of another box, so it stands for all sounds between them. For example ac means all vowels and hal means all consonants. One tiny word replaces a long list.

Roots, endings and word-making

Panini's grammar builds words like a machine. The base is a dhatu (verb root), such as bhu (to be). Then come joining pieces called pratyaya (endings). Put them together and the sounds join by rules: bhu + a + ti becomes bhavati, "he/she/it is".

The same few roots and endings make thousands of words. That is why the grammar is called very complete. It also shaped how later scholars thought about structure in language, and today linguists and computer scientists study it.

Other great traditions

Dates for early authors are only approximate and scholars still debate them.

Try it

Try it at home. Put your fingers lightly on your throat and say "ka". Then touch your tongue to the roof and say "cha". Then say "ta" with the tongue at your teeth, and "pa" with your lips. Feel how the place of sound moves forward. Then try 3 words from your own language and sort their first sounds into the five rows.

Key formulas and definitions

Worked examples

1. Which row of the varnamala is made with the lips? Name its sounds.

The pa-varga: pa, pha, ba, bha, ma.

2. In the word bhavati, which part is the root and which is an ending?

Bhu (bhav-) is the root. The endings a and ti join it to give "is".

3. What does the pratyahara "ac" stand for?

All vowels. A single short code stands for a long list of sounds.

4. Match each scholar with his work: Yaska, Panini, Patanjali.

Yaska: Nirukta (word origins). Panini: Ashtadhyayi (about 4,000 rules). Patanjali: Mahabhashya (commentary).

Common mistakes

Practice quiz

1. How many rows of consonants are in the varnamala chart (vargas)?
2. The Ashtadhyayi has about:
3. The Shiva-sutras are used to make:
4. Which scholar wrote the Nirukta?
5. Dhatu means:

Practice: answer these yourself

Type or choose your answer, then press Check. Use a hint if you are stuck; the full solution appears after you answer.

Frequently asked questions

Who is Panini?

An ancient Indian grammarian who wrote the Ashtadhyayi, a rule-book of about 4,000 sutras for forming Sanskrit words and sentences.

What is a pratyahara?

A short code, made using the Shiva-sutras, that stands for a whole group of sounds. For example "ac" stands for all vowels.

Why are Indian grammarians admired today?

Their rules are precise, compact and systematic. Modern linguists and computer scientists study them as an early example of a formal system.

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