表外 ひょうがい音訓 おんくんじゃなかったです
hyōga ion kunja nakattadesu

Noun
Desu Copula

The polite, past negative form of 表外音訓

1. Wasn't a reading outside of the standard pronunciation.; Wasn't an unconventional pronunciation.

Past/Perfective
Negative
Polite
Casual Register