noun
hanging oneself; suicide by hanging
Refers to the act of hanging oneself, often in the context of suicide. The term is straightforward and carries a heavy, serious tone.
彼は首くくりで亡くなった。
He died by hanging himself.
首くくりは昔から行われてきた自殺の方法だ。
Hanging oneself has been a method of suicide since ancient times.
Compound of 首 (くび, 'neck') and くくり, the nominalized form of くくる ('to tie, bind'). Literally 'neck-tying'.