
1) Sumo terminology
Found on
https://www.crosswordclues.com/clue/shikona

A 四股名 or 醜名 is a sumo wrestler`s ring name. As with standard Japanese names, a shikona consists of a `surname` and a `given` name, and the full name is written surname first. However, the given name is rarely used outside formal or ceremonial occasions. Thus, the former yokozuna Asashōryū Akinori is usually referred to as simply A...
Found on
http://en.wikipedia.org/wiki/Shikona

The ring names given to rikishi, which may be changed several times over the course of a career, especially in recognition of important promotions.
Found on
http://www.chijanofuji.com/Glossary.html
No exact match found.