what is a yondan aikido

Yondan Aikido is a term used to describe a level of proficiency in the martial art of Aikido. It refers to the rank of fourth-degree black belt in the martial arts ranking system. The term "Yondan" means "fourth degree" in Japanese. Achieving this rank requires a high level of technical skill, sharpness, and efficiency in Aikido techniques. The rank of Yondan is part of the dan rank structure, which includes students who have been awarded their black belts in Aikido.