蝦夷 えぞ黒貂 くろてんではありませんでした
ezokurotendewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 蝦夷黒貂

1. Was not sable.; Was not Ezo sable.

Past/Perfective
Negative
Polite
Formal Register