いとみみずじゃなかったです
糸ミミズじゃなかったです
itomimizujanakattadesu

Noun
Desu Copula

The polite, past negative form of いとみみず

1. Wasn't a threadworm.; Wasn't a stringworm.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana