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The Kharoṣṭhī script is an ancient script used by the ancient Gandhara culture of South Asia primarily in modern-day Afghanistan and Pakistan to write the Gāndhārī language (a dialect of Prakrit) and the Sanskrit language. An alphasyllabary, it was in use from the middle of the 3rd century BCE until it died out in its homeland around the 3rd century CE.

[Image: Kharoṣṭhī manuscript from the kingdom of Shanshan / Loulan, China]

Source: Wikipedia