霜焼け

1. Origins, structure, and basic meaning

• Structure: 霜焼け, read しもやけ, combines frost or cold 霜 with burn-like injury 焼け as the name of a cold-induced skin condition.
• Basic usage: It denotes a cold-related swollen or itchy skin condition of the extremities, as in 指が霜焼けになる.

2. Common pitfalls and similar expressions

• Scope and context
  • It is inflammation caused by cold, not a heat burn 火傷 despite the final character.