最深 さいしん積雪 せきせつじゃありませんでした
saishinsekisetsujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 最深積雪

1. It wasn't the deepest snow.; It wasn't the deepest accumulation of snow.

Past/Perfective
Negative
Polite
Terminal Form