擦過傷

1. Origins, structure, and basic meaning

• Structure: 擦過傷(さっかしょう) is an abrasion or scrape caused when the skin rubs against a rough surface.
• Basic usage: It is used for a wound caused by a fall or friction. Typical patterns are 膝に擦過傷を負う and 擦過傷を洗う.

2. Common pitfalls and similar expressions

• Notice how the wound was caused
  • It refers to surface skin being rubbed or scraped, not to a cut.
• Difference from 切り傷
  • 切り傷(きりきず) is a wound made by a sharp object, while 擦過傷 is skin damage caused by friction.