tenebrae

Etymology
With regressive dissimilation (*m-b > n-b) from, nominalized feminine plural from , from , from. Related to.

Noun

 * 1) darkness, especially the darkness of night
 * 2)  shadow of death
 * 3) prison, dungeon
 * 4)  gloom or darkness of the mind
 * 1) prison, dungeon
 * 2)  gloom or darkness of the mind
 * 1)  gloom or darkness of the mind