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Sindhi language, member of the Indo-Aryan language group within the Indo-European language family. The Sindhi language is spoken by more than 25 million individuals, primarily in Pakistan and India. Smaller speech communities exist in the United Kingdom, the United States, Oman, the Philippines, and Singapore. Sindhi is an official regional language of Pakistan’s Sindh province and is officially recognized, or “scheduled,” in the constitution of India.


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The origin of the Sindhi language can be traced to an Old Indo-Aryan dialect, or primary Prakrit, that was spoken in the region of Sindh at the time of compilation of the Vedas (1500–1200 bce) or perhaps some centuries before that. Glimpses of that dialect can be seen to some extent in the literary language of the hymns of the Rigveda.


Like other languages of this family, Sindhi has passed through Old Indo-Aryan (Sanskrit) and Middle Indo-Aryan (Pali, secondary Prakrits, and Apabhramsha) stages of growth, and it entered the New Indo-Aryan stage around the 10th century ce.


Linguistic features

The language has several salient linguistic features. The most important phonological features are the four voiced implosive phonemes, or sounds produced by suddenly drawing air into the mouth (/b/, /d/, /g/, and /j/). In terms of morphology, Sindhi is known for the use of passive and impersonal verb stems, as with likh-ij-e ‘may be written.’ It also uses suffixal pronouns with nouns, postpositions, and verbs, as with pina-si ‘his/her father’ (literally ‘father [of] his/hers’), khe-si ‘to him/her,’ and likhya-in-si ‘he wrote him/her.’


Sindhi has preserved many archaic words and grammatical forms from Sanskrit and the Prakrits. Examples include Sindhi jhuru ‘old’ from Vedic Sanskrit juryah, jui ‘place’ from Vedic Sanskrit yuti, and vuttho ‘rained’ from Prakrit vuttha. Sindhi has also inherited an abundance of vowel-ending words, most ending in -u and -o, from the Prakrits.


Historically, the Sindh region suffered frequent invasions. It was conquered by the forces of Islam in 712 ce and remained under Muslim rule until the British conquest in 1843. Hence, the Sindhi language borrowed many Arabic and Persian words. In spite of this, the basic vocabulary and grammatical structure of Sindhi has remained mostly unchanged.

Scripts and texts

Sindhi has been one of the major literary languages of the Indo-Pakistan subcontinent, though its literary prominence is being surpassed in some areas by Urdu. Sindhi is written mainly in two scripts. The first is a modified and enlarged form of the Arabic alphabet that was standardized by the British government in 1852 and consists of 52 characters; it is known as the Arabic-Sindhi script. The second is the Devanagari-Sindhi script, comprising Devanagari and an additional four letters used to express the special implosive sounds of Sindhi. Use of the Devanagari-Sindhi script has helped to preserve and promote the literary and cultural heritage of the region and its language.


In addition, Sindhi can be written with an indigenous script (also called Sindhi) that derives from proto-Devanagari, Brahmi, and Indus valley scripts. A small number of traders use it for commercial correspondence, and it is the script of choice for the religious texts of Ismaʿili Khoja Muslims. Sindhi can be written with the Gurmukhi alphabet and Gujarati characters as well.


The folk literature of Sindhi is as old as the language itself. It has been collected and compiled from oral tradition and published in more than 40 volumes by the Sindhi Adabi Board, a government institution that was established in 1955 for the promotion of the language. Written Sindhi literature is first attested in the 8th century ce, when references to an independent, Sindhi version of the Mahabharata appear. However, the earliest well-attested written records in Sindhi belong to the 15th century ce.


Medieval Sindhi devotional literature (1500–1843) comprises Sufi poetry and Advaita Vedanta poetry. Sindhi literature has flourished during the modern period (since 1843), although the language and literary style of contemporary Sindhi writings in Pakistan and India were noticeably diverging by the late 20th century; authors from the former country were borrowing extensively from Persian and Arabic vocabulary, while those from the latter were highly influenced by Hindi.


"The history of Sindhi is older than that of Sanskrit and its related civilization or culture are derived from the civilization or culture of Sindh and from Sindhi language…Sanskrit is born of Sindhi - if not directly, at least indirectly."


The other is an Indian linguist, S Kandappan who says: "Sindhi is one of the ancient languages. I say it is the most ancient languages, I know it has got its origin even before Sanskrit in the country…."


Interestingly, after further studies Dr Trumpp himself seemed to be doubtful about his findings. Testimonies to this are the remarks in one of his work of arts:


"Sindhi has remained steady in the first stage of decomposition after the old Prakrit, where all other cognate dialects have sunk some degrees deeper and we shall see in the course of our introductory remarks that rule, which the Prakrit grammarian, Kramdishvara has laid down in reference to the Apabramsha, are still recognizable in present day Sindhi, which by no means can be stated of the other dialects. The Sindhi has thus become an independent language, which, though sharing a common origin with its sister tongues, is very materially different from them."



From comparative study of Sindhi and dialects of Dravidian languages, it has been found that phonetically, phonologically, morphologically and syntactically Sindhi and Dravidian languages are close to each other. This is, however, a subject still under research.

Regulatory body

Sindhi Language Authority (Pakistan), Indian Institute of Sindhology (India)


Number of speakers

The Sindhi language is spoken by more than 25 million individuals.



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