瑠璃 るり懸巣 かけすではありませんでした
rurikakesudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 瑠璃懸巣

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

Past/Perfective
Negative
Polite
Formal Register