Dictionary / Vocabulary / 断末魔
だんまつま
one's last moments; hour of death; death throes; agonies of death
Also written 断末摩
そうです、異常音は空冷ファンの最後の断末魔だったのです。
That's right, that strange sound was the final death scream of the cooling fan.
断末魔の苦しみもなくなっていた。
The last agony was over.