温存

1. Origins, structure, and basic meaning

• Structure: The spelling is 温存, read as おんぞん. It denotes holding a person or resource in reserve for later, or preserving a system or condition unchanged, and also functions as a する verb.
• Basic usage: Saving a key player for the final appears in 主力選手を温存する, while preserving an outdated system appears in 古い制度を温存する.

2. Common pitfalls and similar expressions

• Difference from 保存
  • It can imply strategic reserve or the continued survival of an undesirable system, not merely neutral storage or preservation.