なぎきぎでわありませんでした
梛木擬ではありませんでした
nagi kigidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of なぎもどき

1. Was not a false catalpa.; Was not pretending to be catalpa wood.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana