aikido
/aɪˈkiːdəʊ/noun
mass noun
- a Japanese form of self-defence and martial art that uses locks, holds, throws, and the opponent's own movements（日本）合气道。
词源
1950s.: from Japanese aikidō, literally 'way of adapting the spirit'， from ai 'together， unify'+ki 'spirit'+dō 'way'.