T-shaped section of a loincloth
Refers specifically to the T-shaped part of a traditional Japanese loincloth (fundoshi). Rare standalone term; mostly encountered in historical or specialized contexts.
The 'mitsu' of a fundoshi refers to the part where the front cloth and the waist cord intersect.
mawashi (sumo belt)
Sumo term for the belt worn by wrestlers. The word 'mawashi' is more common; this reading is a specialized variant.
See also: 回し (まわし)
In sumo, the belt is often called 'mawashi', but it can also be called 'mitsu'.
side of a sumo wrestler's mawashi
The origin is uncertain. The kanji 褌 is a Chinese character for loincloth, but the reading みつ is a native Japanese word.