noun
A minor skin injury caused by scratching or scraping, such as from a fingernail, thorn, or rough surface.
転んでひざにかき傷ができた。
I fell and got a scrape on my knee.
猫に引っかかれて、手にかき傷がついた。
The cat scratched me and left a scratch on my hand.
Compound of 掻き (kaki, the continuative form of 掻く 'to scratch') + 傷 (kizu, 'wound, injury').