けがする
けがする · kegasuru · JLPT N4 · noun
injury
🩹 kega (injury) + suru (to do) = to do an injury, get hurt
けが (kega) is the noun for injury; adding する (to do) turns it into a verb, a very common Japanese pattern. Sound hook: a heavy KEG falls on your leg, AH! Keg-ah = kega, and you are hurt.