蒸発

1. Origins, structure, and basic meaning

• Structure: 蒸発 (じょうはつ) combines vapor 蒸 and emergence or departure 発 to denote evaporation or sudden disappearance.
• Basic usage: It describes water vanishing into vapor and figuratively a person disappearing while leaving debts.

2. Common pitfalls and similar expressions

• Physical evaporation and human disappearance
  • With a person as subject, 蒸発する is figurative and means vanishing from ordinary contact, not becoming vapor.