մղձավանջ

Etymology
A modern literary formation from the supposed root of. The ending is of  meaning and origin. Some authors spell the word as, as if from , because the lies upon one's breast to stifle them during the sleep.

Noun

 * 1) nightmare
 * 2)  nightmare bad, miserable, difficult or terrifying situation or experience
 * 3) incubus a feeling of oppression during sleep
 * 1) incubus a feeling of oppression during sleep