こぬかそうじゃありませんでした
小糠草じゃありませんでした
konuka sōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of こぬかぐさ

1. Was not a nobody.; Was not insignificant.; Was not a small fry.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana