つぼかびじゃなかったです
壷黴じゃなかったです
tsubokabijanakattadesu

Noun
Desu Copula

The polite, past negative form of つぼかび

1. Wasn't a jar of mold.; Wasn't moldy.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana