歴史 れきし てき仮名遣 かなずかいじゃないです
rekishiteki kanazukaijanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 歴史的仮名遣い

1. It's not historical kana usage.; It isn't historical kana usage.

Negative
Polite
Casual Register