米粒 こめつぶ ずめ そうじゃありませんでした
kometsubuzu mesōja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 米粒詰草

1. It wasn't rice-stuffed grass.; It wasn't a trivial matter.

Past/Perfective
Negative
Polite
Terminal Form