"Supper" is from the word "evening.
In Sacred Scripture, in contrast to the usual calculation of time, the word "evening" denotes the beginning of a new day, a new time, a new life, the beginning of the knowledge and fulfillment of the Commandments of God, fully rediscovered in the Teachings of Jesus Christ.
"Supper" is a symbol of the spiritual feeding of the doers of the Will of God with the spiritual "Bread," the "Food" of the Word of God and the Gospel Teachings of Christ.
"The Supper" is, in a spiritual and figurative sense, the beginning of a new "Day," a new time, a new life of man in the knowledge and fulfillment of the Commandments of God and the Teachings of Jesus Christ.
"The Supper" symbolizes the spiritual unity of people in the knowledge and fulfillment of God's Commandments.