The word literally means “great O” (ō mega, mega meaning “great”).
Brazilian jiu-jitsu (BJJ)
Brazilian jiu-jitsu (BJJ) is a martial art, combat sport system that focuses on grappling and especially ground fighting.
Mixed martial arts (MMA)
Mixed martial arts (MMA) is a full-contact combat sport that allows both striking and grappling, both standing and on the ground, using techniques from other combat sports and martial arts.