Anuṣṭubh — The Universal Metre of Sanskrit Theological Literature
Anuṣṭubh ('that which follows praise' or 'that which is praised after'; anu = after, following + ṣṭubh from stubh = to praise) is the metre that underlies the vast majority of Sanskrit classical and theological literature — it is, in practice, the default metre of Sanskrit poetry and scripture. Comprising four pādas of 8 syllables each for a total of 32 syllables per verse, anuṣṭubh is the basis of the śloka — the two-line verse form that became the lingua franca of Sanskrit epic and Purāṇic composition.
The scope of anuṣṭubh / śloka in Sanskrit literature is staggering:
- The Rāmāyaṇa of Vālmīki (24,000 ślokas) is primarily in anuṣṭubh — indeed, tradition holds that Vālmīki invented the śloka when he lamented the killing of the krauñca bird in a spontaneous cry of grief (śoka), producing the first śloka ever uttered by a human: mā niṣāda pratiṣṭhāṃ tvamagamaḥ śāśvatīḥ samāḥ...
- The Mahābhārata (approximately 100,000 ślokas) is overwhelmingly in anuṣṭubh, making it the largest single body of anuṣṭubh verse in existence
- The Bhagavad-gītā (700 ślokas) is in anuṣṭubh, with occasional triṣṭubh verses for particularly majestic passages
- Most of the 18 Mahāpurāṇas are in anuṣṭubh, including the Bhāgavata Purāṇa (18,000 ślokas) — though the Bhāgavata also employs many other metres in its lyrical sections
- The Viṣṇu Sahasranāma — the thousand names of Bhagavān, extracted from the Mahābhārata (Anuśāsana Parva) and widely recited by Śrī Vaiṣṇavas — is transmitted predominantly in the classical śloka/anuṣṭubh form. Verse numbering and the inclusion of introductory and concluding verses vary by edition; consequently, no single invariant total such as exactly 108 anuṣṭubh verses applies to every recension
For Śrī Vaiṣṇava tradition specifically, the theological significance of anuṣṭubh is immense:
The Viṣṇu Sahasranāma is the foremost liturgical text recited in Śrī Vaiṣṇava worship — its verses containing the thousand names of Bhagavān are chanted at pūjā, at tīrthaṃ (sacred bath), and at all major festival occasions. Parāśara Bhaṭṭar's Bhagavad-guṇa-darpaṇa provides the authoritative Śrī Vaiṣṇava commentary on the Sahasranāma, interpreting each of the thousand names as a revelation of one of Bhagavān's kalyāṇa-guṇas (auspicious qualities).
Further, Vedānta Deśika's Yatirāja Saptati (seventy ślokas on Rāmānuja) and many of his philosophical compositions employ anuṣṭubh, as do the stotras of Kūrattāzhvān and other āchāryas. The metre's simplicity and carrying power made it the natural vehicle for the tradition's most memorized texts — from the Sahasranāma to the daily sandhyāvandana prayers.