jujitsu (n.)youdaoicibaDictYouDict[jujitsu 词源字典]
also ju-jitsu, 1875, from Japanese jujutsu, from ju "softness, gentleness" (from Chinese jou "soft, gentle") + jutsu "art, science," from Chinese shu, shut.[jujitsu etymology, jujitsu origin, 英语词源]