under the orders of; by order of
Fixed formal expression used when an action is taken on someone's command or authority. Often appears in official or historical contexts.
彼は社長の命により、新しいプロジェクトを始めた。
He started a new project under the orders of the company president.
その兵士は上官の命により行動した。
The soldier acted by order of his superior officer.
Standard kanji spelling for this fixed expression.
Explicit kanji spelling using 依る; less common and may appear formal or literary.
Combination of 命 (order, command) + により (formal expression meaning 'by' or 'according to'). The phrase is a fixed formal construction.