正夢

1. Origins, structure, and basic meaning

• Structure: 正夢, read まさゆめ, has true or matching 正 modify dream 夢 to denote a dream that comes true.
• Basic usage: Use it when something seen in a dream comes true, as in 夢が正夢になる.

2. Common pitfalls and similar expressions

• Scope and context
  • Rather than always predicting a future certainty, it is often a label applied after a dream and reality are found to match.