あざみうまじゃありませんでした
薊馬じゃありませんでした
azamiumajārimasendeshita

Noun
Desu Copula

The polite, past negative form of あざみうま

1. Was not a flea.; Was not a thistle-horse.

Past/Perfective
Negative
Polite
Terminal Form
Usually Written in Kana