のみばえじゃなかったです
蚤蝿じゃなかったです
no mibaejanakattadesu

Noun
Desu Copula

The polite, past negative form of のみばえ

1. Wasn't a flea.; Wasn't a fly.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana