noun
battle formation; battle array
Refers to the arrangement of troops or military units in preparation for battle. Often used in historical or strategic contexts.
戦国時代の合戦では、陣立てが勝敗を左右した。
In battles of the Warring States period, the battle formation often decided victory or defeat.
noun
Extended figurative use: the composition or lineup of a group, such as a cabinet, team, or organization. Often implies a strategic arrangement of members.
新内閣の陣立てが発表された。
The lineup of the new Cabinet was announced.
プロジェクトの陣立てを見直す必要がある。
We need to review the makeup of the project team.
布陣 also means 'battle formation' or 'lineup', but is more commonly used in modern contexts for sports or business team arrangements, while 陣立て retains a stronger military or strategic nuance.
編成 is a general term for 'organization' or 'formation' of groups, without the military connotation of 陣立て.
Compound of 陣 (じん, 'camp' or 'battle array') and 立て (たて, 'arrangement' or 'setting up'). The exact historical derivation is uncertain, but the word has been used since the medieval period to refer to military formations.