身投げ

suicide by throwing oneself into water

body + 投げ throw, toss
noun Rare #39,238
suicide by throwing oneself into water A literary term, often referring to suicide by jumping into the sea, a river, or another body of water.
JA: 彼は海への身投げを思いとどまった。
EN: He decided not to throw himself into the sea.

身投げは無理だ

I can't bring myself to throw myself to my death.

— タイタニック (1997)

彼女はある湖に身投げした

She threw herself into a lake.

失恋して身投げしたカナダ人観光客だった

Heartbroken, they threw themselves to their death—it was a Canadian tourist.

— アメリ (2001)