やえやまやしじゃなかったです
八重山椰子じゃなかったです
yaeyamayashijanakattadesu

Noun
Desu Copula

The polite, past negative form of やえやまやし

1. Wasn't a Yaeyama coconut.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana