Strong H2822 חֹ֫שֶׁךְ chôshek · darkness

Deuteronomy

1. Deuteronomy 4:11
   And ye came near and stood under the mountain; and the mountain burned with fire unto the midst of heaven, with darkness, clouds, and thick darkness.
2. Deuteronomy 5:23
   And it came to pass, when ye heard the voice out of the midst of the darkness, (for the mountain did burn with fire,) that ye came near unto me, even all the heads of your tribes, and your elders;