single-stringed Japanese zither
A traditional Japanese zither with a single string, also known as 一弦琴 (ichigenkin).
See also: 一弦琴
須磨琴は、一弦琴の一種として知られている。
The Suma-goto is known as a type of single-stringed zither.
The name 須磨琴 (Suma-goto) likely derives from Suma (須磨), a location in Kobe, and 琴 (koto), meaning zither. The exact historical origin is uncertain.