せいようじゃなかったです
西洋梣じゃなかったです
seiyōjanakattadesu

Noun
Desu Copula

The polite, past negative form of せいようとねりこ

1. Wasn't Western.; Wasn't a Zelkova tree.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana