むさしとうじゃなかったです
武蔵鐙じゃなかったです
musashi tōja nakattadesu

Noun
Desu Copula

The polite, past negative form of むさしあぶみ

1. Wasn't a lantern.; Wasn't Musashi's lantern.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana