凍傷

1. Origins, structure, and basic meaning

• Structure: 凍傷 is read as とうしょう and is a noun for frostbite, tissue injury caused by exposure to severe cold.
• Basic usage: Use 凍傷の症例 for documented cases and 指に凍傷を負う for the affected body part.

2. Common pitfalls and similar expressions

• Site and injury pattern
  • 指に marks where the frostbite occurred, while 凍傷を負う states that the injury was sustained.
• More than feeling cold
  • 凍傷 is cold-related tissue injury, not merely feeling chilly or having cold fingers.