大正 たいしょう ことじゃなかったです
taishōkotojanakattadesu

Noun
Desu Copula

The polite, past negative form of 大正琴

1. Wasn't a koto.; Wasn't a shamisen. ; (Referring to a Japanese zither-like instrument)

Past/Perfective
Negative
Polite
Casual Register