自己 じこ分泌 ぶんぴつじゃなかったです
jikobumpitsujanakattadesu

Noun
Desu Copula

The polite, past negative form of 自己分泌

1. It wasn't self-secreted.; It wasn't produced internally.

Past/Perfective
Negative
Polite
Casual Register
Biology
Medicine