暴騰

1. Origins, structure, and basic meaning

• Structure: 暴騰 (ぼうとう) combines violent intensity 暴 and rising 騰 to denote a sharp surge in price or cost.
• Basic usage: It describes vegetables soaring after a poor harvest or material costs forcing a production review.

2. Common pitfalls and similar expressions

• A sudden surge rather than gradual increase
  • 暴騰 implies a large, rapid rise with disruptive effects, not a slow or modest upward trend.