ぬまとらのおじゃなかったです
沼虎の尾じゃなかったです
numa toranōjanakattadesu

Noun
Desu Copula

The polite, past negative form of ぬまとらのお

1. It wasn't the tail of the swamp tiger.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana