弔とむらい合がっ戦せん

noun

battle to avenge a death; revenge battle

Refers to a battle fought specifically to avenge someone's death, often in historical or literary contexts.

• 彼かれらは主しゅ君くんの弔とむらい合がっ戦せんに臨のぞんだ。

  They went into battle to avenge their lord's death.

• この合かっ戦せんは、先さきの戦いくさで討うたれた将しょうの弔とむらい合がっ戦せんとされている。

  This battle is considered a revenge battle for the general who fell in the previous fight.