いっ ぽん背負 せおいじゃありませんでした
ippon seoija arimasendeshita

Noun
Desu Copula

The polite, past negative form of 一本背負い

1. It wasn't carried on one's back.; It wasn't a one-book carrying style.

Past/Perfective
Negative
Polite
Terminal Form
Sumo
Martial Arts