seems to have come from the Latin "mandatum" which means command. This may be taken from Jesus' words on the night he was betrayed, "A new commandment I give you: love one another. As I have loved you, so you must love one another" (John 13:34). It may also come from Jesus words in the institution of Holy Communion on that evening, "Do this in remembrance of me" (1 Corinthians 11:24-25).

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