ぬるででわありませんでした
白膠木ではありませんでした
nurudedewārimasendeshita

Noun
Desu Copula

The polite, past negative form of ぬるで

1. Was not white ebony.; Was not a white ebony tree.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana