帷い幄あく

noun

headquarters; general staff

Historical military term for a field headquarters or the general staff, especially in pre-modern Japanese contexts. Rare in modern usage; mostly encountered in historical texts or set phrases like 帷幄上奏.

• 帷い幄あく上じょう奏そうは、軍ぐんの統とう帥すいに関かんする事じ項こうを天皇てんのうに直ちょく接せつ上じょう奏そうする制せい度どだった。

  The 帷幄上奏 was a system in which matters concerning military command were reported directly to the Emperor.

• 歴れき史し小しょう説せつで「帷い幄あく」という言こと葉ばを見みかけることがある。

  You may come across the word 帷幄 in historical novels.