ぬかかじゃありませんでした
糠蚊じゃありませんでした
nukakajārimasendeshita

Noun
Desu Copula

The polite, past negative form of ぬかか

1. Was not a gnat.; Was not insignificant.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana