戦せん端たん

noun

outbreak of war; start of hostilities

Formal, often used in historical or news contexts. Commonly appears in the phrase 戦端を開く (to open hostilities).

• 両りょう国こくはついに戦せん端たんを開ひらいた。

  The two countries finally opened hostilities.

• 戦せん端たんが開ひらかれたのは春はるのことだった。

  It was in spring that the war broke out.