くわごでわありませんでした
桑蚕ではありませんでした
kuwagodewārimasendeshita

Noun
Desu Copula

The polite, past negative form of くわこ

1. Was not a silkworm.; Was not engaged in sericulture.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana