さやいんげんじゃなかったです
莢隠元じゃなかったです
sayaingenjanakattadesu

Noun
Desu Copula

The polite, past negative form of さやいんげん

1. Wasn't a pod/shell.; Wasn't a source/origin.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana