page_title: KRNB lects
hierarchical_section_title: KRNB lects
caption_attribution_description: English: The proto-languages of the eastern Magadhan languages.
context_page_description: KRNB lects are modern lects that arose from the proto-Kamata language. The proto-Kamata language began differentiating after 1250 around Kamatapur, the capital city of Kamata kingdom, as the western branch of the proto-Kamarupa, whereas the eastern branch developed into proto-Assamese, which finally yielded the modern Assamese language. Kamrupi is today one of the western dialects of Assamese. Kamatapuri is represented by group of modern lects, termed variously Kamtapuri, Rangpuri, Rajbanshi and Surjapuri.
context_section_description: KRNB lects (or Kamtapuri, Rajbanshi and Northern Bangla lects) are modern lects that arose from the proto-Kamata language.  The proto-Kamata language began differentiating after 1250 around Kamatapur, the capital city of Kamata kingdom, as the western branch of the proto-Kamarupa, whereas the eastern branch developed into proto-Assamese, which finally yielded the modern Assamese language. Kamrupi is today one of the western dialects of Assamese. Kamatapuri is represented by group of modern lects, termed variously Kamtapuri (West Bengal), Rangpuri (Bangladesh), Rajbanshi (West Bengal) and Surjapuri (Bihar).
caption: The proto-languages of the eastern Magadhan languages. Kamarupa Prakrit corresponds to ?proto-Kamarupa here, a hitherto un-reconstructed proto-language. The period corresponds to earlier than 1250 CE, when proto-Kamata began to innovate unique features.[7]
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