えんおうでわありませんでした
鴛鴦ではありませんでした
en'ōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of おしどり

1. Was not a mandarin duck.; Was not a pair of mandarin ducks.

Past/Perfective
Negative
Polite
Formal Register
Usually Written in Kana