Shiksha is one of the six Vedangas, or limbs of Vedic studies, dealing with phonetics and phonology in Sanskrit. The Sanskrit word IAST: śikṣā (Sanskrit: शिक्षा) means 'instruction, lesson, learning, study of skill'. Practitioners studied the letters of the Sanskrit alphabet, accent, quantity, stress, melody and rules of euphonic combination of words during a Vedic recitation. Shiksha is the oldest and the first auxiliary discipline to the Vedas, maintained since the Vedic era. It aims at construction of sound and language for synthesis of ideas, in contrast to grammarians who developed rules for language deconstruction and understanding of ideas. This field helped preserve the Vedas and the Upanishads as the canons of Hinduism since the ancient times, and shared by various Hindu traditions. Each ancient Vedic school developed this field of Vedanga, and the oldest surviving phonetic textbooks are the Pratishakyas. The Paniniya-Shiksha and Naradiya-Shiksha are examples of extant ancient manuscripts of this field of Vedic studies.
Etymology Shiksha literally means "instruction, lesson, study, knowledge, learning, study of skill, training in an art". It also refers to one of the six Vedangas, which studies sound, Sanskrit phonetics, laws of euphonic combination (sandhi), and the science of making language pleasant and understood without mistakes. Shiksha as a supplemental branch of the Vedas, included teaching proper articulation and pronunciation of Vedic texts. It was one of six fields of supplemental studies, others being grammar (Vyakarana), prosody (Chandas), ritual (Kalpa), etymology (Nirukta) and astrology (Jyotisha, calculating favorable time for rituals). The roots of Shiksha can be traced to the Rigveda which dedicates two hymns 10.125 and 10.71 to revere sound as a goddess, and links the development of thought to the development of speech. The mid 1st-millennium BCE text Taittiriya Upanishad contains one of the earliest description of Shiksha as follows,
Annette Wilke and Oliver Moebus date the Shiksha text of the Taittiriya Vedic school to be from 600 BCE at the latest. Texts such as this established, among other things, a rational order of the Sanskrit alphabet, state Wilke and Moebus. Other texts, such as Vyasa-Siksa of the Krishna Yajurveda, were composed later. The ancient Vedic schools developed major treatises analyzing sound, vowels and consonants, rules of combination and pronunciation to assist clear understanding, to avoid mistakes and for resonance (pleasing to the listener). These texts include Samhita-pathas and Pada-pathas, and partially or fully surviving manuscripts include Paniniya Shiksha, Naradiya Shiksha, Bharadvaja Shiksha, Yajnavalkya Shiksha, Vasishthi Shiksha, Parashari Shiksha, Katyayani Shiksha and Manduki Shiksha.
History
Shiksha, states Hartmut Scharfe, was the first branch of linguistics to develop as an independent Vedic field of study among the Vedangas. This is likely because Vedas were transmitted from one generation to the next by oral tradition, and the preservation and the techniques of preservation depended on phonetics, states Scharfe. The earliest Brahmanas – a layer of text within the Vedas, includes some terms of art in the Vedic phonetics, such as Varna and Avasana. The Shiksha field was likely well developed by the time Aranyakas and Upanishads layer of the Vedas were being composed. The alphabet had been categorized by this time, into vowels (svara), stops (sparsha), semivowels (antastha) and spirants (ushman). The field was fundamental to the ancient study of linguistics, and it developed as an interest and inquiry into sounds rather than letters. Shiksha, as described in these ancient texts, had six chapters – varna (sound), svara (accent), matra (quantity), bala (strength, articulation), saman(recital) and samtana (connection between preceding and following sounds). The insights from this field, states Scharfe, "without doubt was applied by Vedic scholars to the art of writing". It also impacted the development of Indic scripts and evolution of language in countries that sought Indian texts or were influenced by Indian religions. According to Scharfe, and other scholars, the insights developed in this field, over time, likely also influenced phonetic scripts in parts of East Asia, as well as Arabic grammarian Khalil in 8th-century CE.
Discussion
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