くびだらじゃなかったです
首陀羅じゃなかったです
kubidarajanakattadesu

Noun
Desu Copula

The polite, past negative form of シュードラ

1. Was not a Shudhra.; Was not of the Shudra class.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana