えぞえじゃなかったです
蝦夷榎じゃなかったです
ezo e ja nakattadesu

Noun
Desu Copula

The polite, past negative form of えぞえのき

1. Wasn't a Japanese rowan.; Wasn't a Hokkaido manchurian elm.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana