八雲琴

Compound of 八雲 (yakumo, “eight or eightfold clouds”) +‎ 琴 (koto, “a koto, a zither”) The name is derived from the ancient poem

八雲(やくも)立(た)つ出雲八重垣妻籠(いづもやえがきつまご)みに八重垣作(やえがきつく)るその八重垣(やえがき)を

yakumo tatsu Izumo yaegaki tsumagomi ni yaegaki tsukuru sono yaegaki wo

At Izumo where eightfold clouds rise, an eightfold fence, I build an eightfold fence to conceal my bride, that eightfold fence...

from the Kojiki.

八(や)雲(くも)琴(こと) • (yakumokoto) 

1. (music) A two stringed zither developed in the late Edo period.