It can take up to 9 meters of material to make the mawashi. One exceptionally large sumo took 13 meters!
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12.4 seconds
The belt is called a Mawashi and the apron like garb worn when entering the ring is a Kesho-mawashi
until one of them get out of the circle
After you wrestle with the sumo
A sumo champion (aka: Yokozuna) is dressed in a belt which is removed before matched called also called a "Yokozuna" which literally means horizontal rope and is remarkably similar to the belt known as a "Shimenawa" which is used in the Shinto religion to ward of evil spirits. The rope worn by the champion is very heavy, and upwards of 20+ kilos and is removed before matches. It is worn as a ceremony when entering the ring.
In Japanese, there is no visible indication, it is determined by the context. He was a sumo wrestler. There were ten sumo in that stable.
What English-speakers think of when they say "sumo" (i.e. heavyset men wrestling) is also called "sumo" in Japanese. Basically, sumo is sumo!
Sumo is a Japanese sport. There are Chinese sumo wrestlers.
You were cool if you had a long belt.
Sumo