The general manager issued an order to countermand the previous decision to prevent further losses on the project.

countermand 由前缀 counter-（表示"反对、逆向"）和动词 mand（源自拉丁语 mandare，意为"命令"）组成，字面意思是"反对命令"。作为动词使用时表示"撤销、取消（之前的命令或决定）"。