Sanskrit, India's Ancient Language led to The Growth Of Proto-Indo-European (PIE) Language

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Sanskrit, the foremost sacred language of Hinduism, is also a significant philosophical language in Buddhism and Jainism. Once a lingua franca across ancient India, it continues to hold an esteemed position as a ceremonial language in Hindu rituals and functions. Sanskrit forms the foundation of Indian culture, with the Vedas, the world’s oldest known literary works and cornerstone  of  Hindu 

Judge and Scolar William Jones tombmikejarosz.ca

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extends to national, educational, and social organizations in countries like India, Nepal, and Thailand, philosophy and spirituality, written in this language. It also plays a vital role in Buddhist practices, particularly through hymns and chants. In the West, Sanskrit has gained prominence among yoga practitioners, with texts like the Yoga Sutras of Patanjali serving as essential references. Its influence often is observed in the use of Sanskrit phrases as mottos. Across India, many personal names, especially feminine ones, are derived from Sanskrit, such as Deepa, Padmini, and Priya.
W. Jones and Sanskrit. slideserve.com

Many Indian languages have links with Sanskrit, particularly the ones spoke in North Indian States. Contrary to the perception that Sanskrit is solely a language of mantras and rituals associated wit prayer and pujas, it was once the medium for significant works in science, mathematics, astronomy, and law. Religious literature constitutes less than 10% of Sanskrit works, with the rest encompassing diverse fields of knowledge. British judge and philologist Sir William Jones, in 1786, highlighted Sanskrit’s extraordinary structure, noting its affinities with Greek and Latin. His studies led to the development of the Proto-Indo-European (PIE) language theory, which posits a common origin for these languages. Scholars like Max Müller further emphasized Sanskrit’s significance, with figures like Voltaire and Immanuel Kant recognizing its profound influence on Indo-European languages and civilization.

The word "Sanskrit" itself means "prepared," "pure," or "perfect." Unlike other ancient languages, Sanskrit has retained its original purity in structure, vocabulary, and verb patterns. It has profoundly influenced many modern languages, contributing to English words like "ignite" (from agni), "name" (naama), and "serpent" (sarpa). Beyond its linguistic contributions, Sanskrit's legacy includes comprehensive knowledge systems preserved in texts such as the Vedas and the Upanishads, which address virtually every sphere of human activity.

Sanskrit words have also traveled across cultures and languages. Terms like "avatar," "jungle," and "juggernaut" derive from Sanskrit roots, showcasing its global impact. For instance, "avatar" originates from the Sanskrit avatāra, meaning "descent," while "jungle" comes from jangala, meaning "arid land." Many scientific, philosophical, and literary traditions owe their development to this ancient language.

Sanskrit’s revival as a unifying language in India has been advocated by figures like Sri Aurobindo, who emphasized its role in preserving cultural heritage. While spoken Sanskrit is now limited, its legacy endures through its contributions to modern languages, spiritual practices, and knowledge systems. It remains a timeless symbol of India's intellectual and cultural depth, revered as the mother of many languages and a link to humanity’s 

https://www.navrangindia.in/2015/08/sir-william-jones-who-made-ancient.html

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