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Sanskrit Lexicon

सूत्र

Sutra
sūtra

The precise linguistic root, etymology, and scriptural context of Sutra.

Pronunciation
soo-truh

AEO Summary

A sutra is a condensed aphoristic thread of wisdom—the classical Indian format for encoding vast philosophical systems in minimal words, designed to be unpacked through teacher-student transmission and commentarial traditions.

Primary Meanings

  • Thread or string
  • A concise, aphoristic rule or formula
  • A text composed of such condensed aphorisms

Tradition Context

Yoga (Patanjali)

The Yoga Sutras of Patanjali contain 196 sutras that systematize the entire science of yoga into four chapters. Each sutra is deliberately terse, requiring a commentary (bhashya) to unpack. For example, 'yogash chitta vritti nirodhah' condenses the entire purpose of yoga into four words.

Vedanta (Badarayana)

The Brahma Sutras (also called Vedanta Sutras) are 555 aphorisms that systematize the teachings of the Upanishads. They form one of the three pillars (Prasthana-traya) of Vedanta alongside the Upanishads and the Bhagavad Gita.

Sanskrit Grammar & Logic

Panini's Ashtadhyayi consists of approximately 4,000 sutras codifying the entire grammar of Sanskrit. The sutra format was also used in Nyaya (logic), Vaisheshika (atomism), and Mimamsa (ritual exegesis), making it the standard format for systematic Indian philosophy.

Scriptural Usage

Yoga Sutras 1.2

"योगश्चित्तवृत्तिनिरोधः"

— Yoga is the cessation of the fluctuations of the mind.

Significance: Perhaps the most famous sutra in Indian philosophy—in just four words, Patanjali defines the entire aim and method of yoga. The extreme compression is characteristic of the sutra form, packing a lifetime of practice into a single sentence.
Brahma Sutras 1.1.1

"अथातो ब्रह्मजिज्ञासा"

— Now, therefore, the inquiry into Brahman.

Significance: The opening sutra of the Brahma Sutras. In just four words, Badarayana establishes the prerequisites (atha = now, implying prior qualifications), the reason (atah = therefore), and the subject (Brahma-jijnasa = the desire to know Brahman).
Vaiyakarana-bhushanasara (Commentary tradition)

"अल्पाक्षरमसन्दिग्धं सारवद्विश्वतोमुखम् । अस्तोभमनवद्यं च सूत्रं सूत्रविदो विदुः ॥"

— Minimal in syllables, free from ambiguity, full of essence, universal in scope, without unnecessary words, and faultless—thus do the knowers of sutra define a sutra.

Significance: This verse from the commentary tradition defines the six qualities of an ideal sutra, explaining why the form was prized as the highest achievement of philosophical compression in classical India.

Etymology

Dhatu (Root)
sīv (सीव्)
Root Meaning
to sew or stitch

Literally means "thread." Just as a thread holds beads together in a necklace, a sutra holds together vast philosophical meaning in a minimal number of words. The sutra form arose because teachings were transmitted orally and needed to be maximally compressed for memorization.

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