分ぶん列れつ行こう進しん

noun

marching in file

Refers to a formation where people march in a single file or column, often used in military or ceremonial contexts.

• 兵へい士したちは分ぶん列れつ行こう進しんで広ひろ場ばを横よこ切ぎった。

  The soldiers crossed the square marching in file.