じょう えん下方 かほう ぷんではありません
jōenkahō pundewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 上円下方墳

1. It is not a round top, square base mound.; It is not a round-topped, square-bottomed burial mound.

Negative
Polite
Formal Register