ukase
/juːˈkeɪz/noun
1- (in tsarist Russia) a decree with the force of law（俄国沙皇时期）圣旨, 谕旨, 赦令。
1.1
- an arbitrary or peremptory command武断命令; 强制命令。
词源
from Russian ukaz 'ordinance, edict', from ukazat' 'show, decree'.