/ˈmɜːrdəm/ – Noun
Definition: 1. vụ án mạng không rõ hung thủ;
2. tiền phạt thành phố hay khu để xảy ra án mạng nhưng không được xác định được hung thủ.
A more throughout explanation: In legal terms, “murdrum” refers to a fine imposed in medieval England on a community or hundred (an administrative division) for the murder of a Norman or other foreigner. This fine was intended to discourage violence against foreigners and protect them from harm.
Example: In medieval England, the crime of “murdrum” referred to the secret killing of a Norman, which carried severe penalties under the law.