おう数字 すうじ集合 しゅうごうではありませんでした
ō sūjishūgōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 欧数字集合

1. Was not a set of European numbers.; Was not a collection of European digits.

Past/Perfective
Negative
Polite
Formal Register
Computing