Hindi n. The name given by Europeans to that form of the Hindustani language which is chiefly spoken by native Hindus. In employs the Devanagari character, in which Sanskrit is written.
... of the Mahomedan conquest of India, the Hindu infidels are sent to Jihannam with "the well-watered blade of the Hindi sword"; or the sword is personified as "a Hindu of good family." Coming down to later days, Chardin says of the steel of Persia: "They combine it with Indian steel, which is more tractable ... and is much more esteemed." ... — The Travels of Marco Polo Volume 1 • Marco Polo and Rustichello of Pisa