Aikido derives mainly from the martial art of Daitō-ryū Aiki-jūjutsu , but began to diverge from it in the late 1920s , partly due to Ueshiba 's involvement with the Ōmoto-kyō religion .
Aikido is based on the martial art of Daitō-ryū Aiki-jūjutsu , but began to separate from it in the late 1920s , partly due to Ueshiba 's involvement with the Ōmoto-kyō religion .