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Indo-Aryan languages

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The Indo-Aryan languages are a massive branch of the Indo-Iranian language family. They belong to the even larger Indo-European family.

Indo-Aryan Languages Tree
Indo-Aryan Languages Tree

These languages serve as the primary means of communication for hundreds of millions of people. Current estimates suggest there are at least 800 million speakers. Some researchers believe the number could reach as high as 1.5 billion people. They are primarily concentrated east of the Indus River in South Asia. This includes regions in Pakistan, India, Nepal, Bangladesh, Sri Lanka, and the Maldives. Large immigrant communities also speak these languages in Europe, North America, and Australia.

Classifying these languages is a complex task for linguists. There are approximately 200 Indo-Aryan languages, though Glottolog 5.2 lists 220. The exact number often depends on how a researcher defines a "language" versus a "dialect." Many of these languages exist in a dialect continuum. This means they transition gradually into neighboring varieties. Because of this, the boundaries between languages can be quite arbitrary. Some scholars suggest a "wave model" might explain their development better than a traditional tree model.

Indo-Aryan Languages Tree
Indo-Aryan Languages Tree

The history of these languages is rooted in ancient forms. Proto-Indo-Aryan was very close to Vedic Sanskrit. Later, various Prakrits, or Middle Indo-Aryan languages, began to emerge. These Prakrits often retained features that had been lost from Vedic Sanskrit. This shows they had a separate descent from the original Proto-Indo-Aryan. For example, Marathi descended from Maharashtri Prakrit. Bengali and Assamese descended from Magadhi Prakrit. Other languages, like Sindhi and Punjabi, are thought to have descended from Shauraseni Prakrit.

Indo-European migrations
Indo-European migrations

Linguists often group these languages into specific geographic zones. The Northern Zone includes the Pahari, or "hill," languages of the Himalayas. These include Nepali and various Western Pahari languages. The Northwestern Zone contains Punjabi and Sindhi. These languages were influenced by Persian and Arabic. The Western Zone includes Gujarati and the Romani languages of Europe. Romani speakers belong to an itinerant community that migrated from India. The Central Zone features Hindustani, which includes Hindi and Urdu. The Eastern Zone consists of Magadhan languages like Bengali and Odia.

Indo-Aryan Languages Tree
Indo-Aryan Languages Tree

Some theories attempt to explain the deep structure of these groups. The Inner–Outer hypothesis is one such controversial proposal. It suggests a core of "Inner" languages and a periphery of "Outer" languages. Outer Indo-Aryan languages might represent an older stratum of Old Indo-Aryan. This group often includes Eastern, Southern, and sometimes Northwestern varieties. This theory has been debated since Rudolf Hoernlé proposed it in 1880. Recent versions of the theory use linguistic evidence like the "outer" past tense in -l-.

Indo-Aryan Languages Tree
Indo-Aryan Languages Tree

Specific subgroups also show unique characteristics. The Dardic languages are spoken in the northwestern Indian subcontinent. George Abraham Grierson first formulated this group, though its status as a subfamily is debated. Some scholars believe Dardic similarities might result from convergence. Another notable group is the Insular Indo-Aryan languages. These are spoken in Sri Lanka and the Maldives. They descended from Elu Prakrit. They began to diverge from mainland languages around the 5th century BCE.

Indo-Aryan Languages Tree
Indo-Aryan Languages Tree

Individual languages within this family hold immense global significance. Hindustani is a massive group containing Hindi and Urdu. Together, Hindi and Urdu are the third most-spoken languages in the world. Hindi is an official language of the Indian government. Urdu is the official language of Pakistan. Bengali is also a global giant. It is the seventh most-spoken language on Earth. Bengali has a very strong literary tradition. It is even used for the national anthems of both India and Bangladesh.

Indo-Aryan Languages Tree
Indo-Aryan Languages Tree

The study of Indo-Aryan languages connects to many broader fields. It involves lexicostatistics, which is the study of vocabulary similarity. For instance, Anton I. Kogan used a 100-word Swadesh list to study these languages. This helps researchers understand how closely related different groups are. The family also relates to the study of human migration patterns. The spread of these languages tracks with the movement of people across South Asia and beyond.

Indo-European migrations
Indo-European migrations
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