noun
article left behind; belongings left at a scene
Refers to items left behind by a person, especially in contexts such as crime scenes, after death, or when someone disappears. Often used in police, legal, or news reports.
現場には被害者の遺留品が残されていた。
The victim's belongings were left at the scene.
警察は遺留品から身元を特定した。
The police identified the person from the articles left behind.
落とし物 is a general term for lost property, typically found in public places, whereas 遺留品 is used in more serious or formal contexts such as crime scenes or after death.
Compound of 遺留 (いりゅう, 'leaving behind') and 品 (ひん, 'article'). The word is a Sino-Japanese formation used in formal and legal contexts.