The East Syriac word Qurbana and the West Syriac word Qurbono are derived from the Aramaic term Qurbana (ܩܘܪܒܢܐ). When the Temple stood in Jerusalem, and sacrifices were offered, "Qorban" was a technical Hebrew term for some of the offerings that were brought there. It comes from a Hebrew root, "Qarab", meaning "to draw close or 'near'". A required Korban was offered morning and evening daily and on holidays (at certain times, additional 'korbanot' were offered), in addition to which individuals could bring an optional personal Korban.
The Holy Qurbana is referred to as "complete" worship, since it is performed for the benefit of all members of the Church. The other sacraments are celebrated for individual members. Thus the Holy Qurbana is believed to be the sacrament that completes all the others. Hence it is called the "sacrament of perfection" or the "queen of sacraments".
The East Syriac or Chaldean rite was associated with the historical Church of the East, centered in the Persian capital of Seleucia-Ctesiphon. Today the Liturgy of Addai and Mari is used in the Ancient Church of the East, the Assyrian Church of the East, the Chaldean Catholic Church, as well as the Syro-Malabar Catholic Church and the Chaldean Syrian Church in Kerala, India.
The Liturgy belongs to the East Syriac Rite, the anaphora or Eucharistic Prayer that is part of this liturgy, possibly dating back to 3rd-century Edessa, even if the outline of the current form can be traced as far back only as the time of the Patriarch Mar Isho-Yab III in the 7th century. This liturgy is traditionally attributed to Saint Addai (disciple of Saint Thomas the Apostle) and Saint Mari (a disciple of Saint Addai). In the form given in the oldest manuscripts, all of the High Middle Ages, this anaphora does not include the Words of Institution, a matter that raised ecumenical concerns.