The prothesis is the northern apse of a three-point sanctuary or a niche or table on the wall of the sanctuary. It derives architecturally from the northern pastophorium of Syrian churches. This is where the proskomide takes place. Since Byzantine liturgical commentaries interpret the proskomide as a mystical representation of Christ’s birth and sacrifice on the cross, the Christ-child is often represented on the diskos (in the form of the eucharistic deesis), in later use also Christ in the garden of Gethsemane.
Bibliographie
G. Babič, “Les di…