みえなかった

wasn't visible, couldn't be seen

→ 見える
みえ be visible, be able to see + なかっ Negative past + Past tense
verb · past indicative Rare #37,592
wasn't visible, couldn't be seen
JA: 暗くて、何もみえなかった。
EN: It was dark, and nothing was visible.
Conjugation of 見える

俺はみえなかった

I couldn't see it.

— ウィキッド ふたりの魔女 (2024)

彼はあたりを見回した誰もみえなかった

He looked around, but couldn't see anyone.

ほか何もみえなかった

Other than the fog, I couldn't see anything.