noun
direct appeal to the throne by the military
Historical term from the Imperial Japanese military system, referring to the right of the supreme command to make direct reports to the Emperor, bypassing the cabinet.
帷幄上奏は、戦前の日本軍が持っていた特権の一つである。
The direct appeal to the throne by the military was one of the privileges held by the pre-war Japanese military.
Compound of 帷幄 (いあく, 'military headquarters') and 上奏 (じょうそう, 'reporting to the throne'). The term originated in the Meiji-era military system.