U+094B Devanagari Vowel Sign O

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Devanagari ( DAY-və-NAH-gə-ree; देवनागरी, IAST: Devanāgarī, Sanskrit pronunciation: [deːʋɐˈnaːɡɐriː]) is an Indic script used in the northern Indian subcontinent. Also simply called Nāgari (Sanskrit: नागरि, Nāgari), it is a left-to-right abugida (a type of segmental writing system), based on the ancient Brāhmi script. It is one of the official scripts of the Republic of India and Nepal. It was developed and in regular use by the 8th century CE and achieved its modern form by 1200 CE. The Devanāgari script, composed of 48 primary characters, including 14 vowels and 34 consonants, is the fourth most widely adopted writing system in the world, being used for over 120 languages.

The orthography of this script reflects the pronunciation of the language. Unlike the Latin alphabet, the script has no concept of letter case. It is written from left to right, has a strong preference for symmetrical rounded shapes within squared outlines, and is recognisable by a horizontal line, known as a शिरोरेखा śirorekhā, that runs along the top of full letters. In a cursory look, the Devanāgarī script appears different from other Indic scripts, such as Bengali-Assamese or Gurmukhi, but a closer examination reveals they are very similar except for angles and structural emphasis.

Among the languages using it as a primary or secondary script are Marathi, Pāḷi, Sanskrit, Hindi, Boro, Nepali, Sherpa, Prakrit, Apabhramsha, Awadhi, Bhojpuri, Braj Bhasha, Chhattisgarhi, Haryanvi, Magahi, Nagpuri, Rajasthani, Khandeshi, Bhili, Dogri, Kashmiri, Maithili, Konkani, Sindhi, Nepal Bhasa, Mundari, Angika, Bajjika and Santali. The Devanāgarī script is closely related to the Nandināgarī script commonly found in numerous ancient manuscripts of South India, and it is distantly related to a number of southeast Asian scripts.