畳敷 たたみじきの部屋 へやじゃありません
tatamijikino heyajārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 畳敷きの部屋

1. It is not a tatami-matted room.; It's not a room with tatami flooring.

Negative
Polite
Terminal Form