Kathisma
（重定向自Kathismata）
A Kathisma (Greek: κάθισμα; Slavonic: каѳисма, kafisma), literally, "seat", is a division of the Psalter, used by Eastern Orthodox Christians and Eastern Catholics who follow the Byzantine Rite. The word may also describe a hymn sung at Matins, a seat used in monastic churches, or a type of monastic establishment.