Etymology From Middle English escheker, from Anglo-Norman escheker (“chessboard”), from Medieval Latin scaccarium. This is because the cloth on which the treasurer counted money was chequered like a chessboard.
1
An office of revenue taxation; a treasury.
2
An available fund of money, especially one for a specific purpose.
"A couple, eh, my girl?" he replied, fishing deeply into both his trouser pockets. "You don't mean tanners by any chance? Well, that's the state of the exchequer." Two sixpences and a few coppers were the result of his investigation.1934, Ernest Bramah, The Bravo of London:
Etymology From Middle English escheker, from Anglo-Norman escheker (“chessboard”), from Medieval Latin scaccarium. This is because the cloth on which the treasurer counted money was chequered like a chessboard.
1
To proceed against (a person) in the Court of Exchequer.