るりかけすでわありませんでした
瑠璃懸巣ではありませんでした
rurikakesudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of るりかけす

1. Was not a lapis lazuli hanging nest.; Was not a jewel-toned bird's nest.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana