countermand
v.
early 15c., from Old French contremander "reverse an order or command" (13c.), from contre- "against" (see contra-) + mander, from Latin mandare "to order" (see mandate, n.). Related: Countermanded; countermanding.
〔李〕[counter-;mand] v.取消，撤回（命令，订货单等） ←mand,mend (L mandare,mendare)=to order 命令