Urdu
Overview
 
Urdu is a register
Register (sociolinguistics)
In linguistics, a register is a variety of a language used for a particular purpose or in a particular social setting. For example, when speaking in a formal setting an English speaker may be more likely to adhere more closely to prescribed grammar, pronounce words ending in -ing with a velar nasal...

 of the Hindustani language
Hindustani language
Hindi-Urdu is an Indo-Aryan language and the lingua franca of North India and Pakistan. It is also known as Hindustani , and historically, as Hindavi or Rekhta...

 that is identified with Muslims in South Asia
South Asia
South Asia, also known as Southern Asia, is the southern region of the Asian continent, which comprises the sub-Himalayan countries and, for some authorities , also includes the adjoining countries to the west and the east...

. It belongs to the Indo-European family. Urdu is the national language and lingua franca
Lingua franca
A lingua franca is a language systematically used to make communication possible between people not sharing a mother tongue, in particular when it is a third language, distinct from both mother tongues.-Characteristics:"Lingua franca" is a functionally defined term, independent of the linguistic...

 of Pakistan
Pakistan
Pakistan , officially the Islamic Republic of Pakistan is a sovereign state in South Asia. It has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by Afghanistan and Iran in the west, India in the east and China in the far northeast. In the north, Tajikistan...

. It is also widely spoken in some regions of India, where it is one of the 22 scheduled languages
Languages of India
The languages of India belong to several language families, the major ones being the Indo-European languages—Indo-Aryan and the Dravidian languages...

 and an official language of five states
States and territories of India
India is a federal union of states comprising twenty-eight states and seven union territories. The states and territories are further subdivided into districts and so on.-List of states and territories:...

. Based on the Khariboli
Khariboli
Khariboli , also Khari Boli, Khadiboli, Khadi Boli or simply Khari, is a Western Hindi dialect spoken mainly in the rural surroundings of Delhi, the northern areas of Western Uttar Pradesh and the southern areas of Uttarakhand in India...

dialect of Delhi
Delhi
Delhi , officially National Capital Territory of Delhi , is the largest metropolis by area and the second-largest by population in India, next to Mumbai. It is the eighth largest metropolis in the world by population with 16,753,265 inhabitants in the Territory at the 2011 Census...

, Urdu developed under the influence of Persian
Persian language
Persian is an Iranian language within the Indo-Iranian branch of the Indo-European languages. It is primarily spoken in Iran, Afghanistan, Tajikistan and countries which historically came under Persian influence...

, Arabic, and Turkic
Turkic languages
The Turkic languages constitute a language family of at least thirty five languages, spoken by Turkic peoples across a vast area from Eastern Europe and the Mediterranean to Siberia and Western China, and are considered to be part of the proposed Altaic language family.Turkic languages are spoken...

 over the course of almost 900 years.
 
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