What is "antidoron"

n. A piece of ordinary leavened bread from the remnants of the loaf used for the Eucharist. It is blessed, but not consecrated, and distributed in churches that use the (w: Byzantine Rite).

The antidoron (, ) is ordinary leavened bread which is blessed but not consecrated and distributed in Eastern Orthodox Churches and less often in Eastern Catholic Churches that use the Byzantine Rite. It comes from the remains of the loaves of bread ( prosphora) from which portions are cut for consecration as the Eucharist during the Divine Liturgy. The word Ἀντίδωρον means "instead of gifts".