大糸 おういと掛貝 かけがいではありませんでした
ō itokakegaidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 大糸掛貝

1. Was not Ōito Kakegai.; Was not a large, threaded shellfish.

Past/Perfective
Negative
Polite
Formal Register