E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Called by the Hindus cheturanga (the four angas)i.e. the four members of the armyviz. elephants, horses, chariots, and foot-soldiers; called by the ancient Persians chetrang. The Arabs, who have neither c nor g, called it shetranj, which modern Persians corrupted into sacchi, whence the Italian scacchi, German schach, French echec, our chess. (See page 242, CHECKMATE.)