cimmerian

Etymology
From Cimmerian.

Adjective

 * 1)  perpetually dark or gloomy
 * 2) * 1894, Ivan Dexter, Talmud: A Strange Narrative of Central Australia, published in serial form in Port Adelaide News and Lefevre's Peninsula Advertiser (SA), Chapter VI,
 * The glimpse of blue vault far above only heightened the cimmerian gloom of the canyon, and the frowning rocks, which rose abruptly gave one the impression that they were on the point of crashing into the ravine.
 * 1)  mentally dark; ignorant
 * 1) * 1894, Ivan Dexter, Talmud: A Strange Narrative of Central Australia, published in serial form in Port Adelaide News and Lefevre's Peninsula Advertiser (SA), Chapter VI,
 * The glimpse of blue vault far above only heightened the cimmerian gloom of the canyon, and the frowning rocks, which rose abruptly gave one the impression that they were on the point of crashing into the ravine.
 * 1)  mentally dark; ignorant

Translations

 * German: kimmerisch