るりかけすじゃありませんでした
瑠璃懸巣じゃありませんでした
rurikakesujārimasendeshita

Noun
Desu Copula

The polite, past negative form of るりかけす

1. It was not a lapis lazuli hanging nest.; It wasn't a lapis lazuli hanging nest.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana