第だい一いち陣じん

noun

first wave; first group

Used for the initial contingent of people or things arriving or departing, especially in military, immigration, or organized movement contexts.

• 第だい一いち陣じんの部ぶ隊たいが夜よ明あけ前まえに出しゅっ発ぱつした。

  The first wave of troops departed before dawn.

• 移い民みんの第だい一いち陣じんは来らい月げつ到とう着ちゃくする予よ定ていだ。

  The first group of immigrants is scheduled to arrive next month.