Chellehneshin

Chellehneshin is a compound word in Persian consisting of the words Chelleh; which describes a period of forty days; and Neshin, which literally means sitting. It refers to a seeker going into solitude for a period of forty days and forty nights to pray and meditate. In several mystical traditions, The cycle of forty is a common duration needed for spiritual metamorphosis and transitions to another, transcendent dimension.