残存

1. Origins, structure, and basic meaning

• Structure: 残存(ざんそん) is a noun and する verb for something continuing to remain after part has disappeared.
• Basic usage: Continued existence appears in 壁画が残存している, while remaining objects are 残存物.

2. Common pitfalls and similar expressions

• State and remaining objects
  • 残存している describes continued existence, whereas 残存物 identifies the objects that remain.
• Formal register
  • It suits surveys, records, and reports about what survives more than casual statements that something is still there.