Sourashtra is an alternate romanised spelling of Saurashtra — the Indo-Aryan language (ISO 639-3: saz) spoken by approximately 200,000–300,000 people in Madurai and Tamil Nadu, India [1]. Both spellings refer to the same language, the same community, and the same unique Saurashtra Brahmic script — a writing system with no close relatives among currently used scripts.
The Sourashtra community historically came from the Saurashtra region of Gujarat and settled in Tamil Nadu as master silk weavers. Despite centuries of contact with Tamil, the community has preserved its distinct Indo-Aryan language and unique script [2]. The script has 12 vowels and 30 consonants in the classical Brahmic arrangement.
Sourashtra has 12 independent vowel letters — used when a vowel opens a syllable without a preceding consonant. The vowel inventory includes short and long pairs for a, i, u, e, and o, plus the diphthongs ai and au.
As a Brahmic abugida, the Saurashtra script assigns an inherent a vowel to every consonant. Independent vowels are used syllable-initially; vowel signs (matras) indicate other vowels when they follow a consonant within a syllable.
Sourashtra has 30 consonant letters in the traditional Brahmic varga (group) classification: velar, palatal, retroflex, dental, and labial series, each with voiceless, aspirated, voiced, and aspirated-voiced variants, followed by semivowels and fricatives. Each consonant carries an inherent a vowel.
The Indo-Aryan consonant inventory — including the retroflex series and four-way stop contrast — distinguishes Sourashtra from surrounding Dravidian languages of Tamil Nadu, reflecting the language's genetic heritage from the Gujarat region.
Vowel signs (matras) are diacritical marks written around Sourashtra consonants to indicate vowels other than the inherent a — placed to the right, left, above, or below the consonant.
The virama cancels the inherent vowel, enabling consonant clusters — essential for writing complex Sourashtra syllables with adjacent consonants. This mirrors the function of the halant in Devanagari and other Brahmic scripts.
The complete Saurashtra/Sourashtra script — all 12 independent vowels followed by 30 consonants in traditional Brahmic varga order. This is the same script used for both the Saurashtra and Sourashtra spellings of this unique Indo-Aryan language of Tamil Nadu.
Sourashtra speakers use Western Arabic numerals (0–9) in contemporary written contexts, following the convention shared with Tamil and other South Indian languages used in Tamil Nadu.
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