相扑

noun

sumo; a form of heavyweight wrestling of Japanese origin where two naked wrestlers try to force each other out of a circular ring or onto the ground

Historically practiced in China since the Qin and Han dynasties under the name 角抵 (jiǎo dǐ), the sport was known as 相扑 from the Southern and Northern Dynasties through the Song and Yuan dynasties. It later flourished in Japan where it became the national sport (国技).