the Thursday before Easter
Origin of Maundy ThursdayMiddle English maunde, ceremony of washing the feet of the poor ; from Old French mandé ; from Ecclesiastical Late Latin mandatum, commandment of God ; from Classical Latin (see mandate): from use of mandatum at the beginning of the prayer for washing the feet, commemorating Jesus' washing of the disciples' feet: see John 13:5, 34
The Thursday before Easter, observed by Christians in commemoration of the Last Supper of Jesus. Also called Holy Thursday.
Origin of Maundy ThursdayFrom Middle English maunde, ceremony of washing the feet of the poor on this day, from Old French mande, from Latin (novum) mandātum, (new) commandment (from Jesus's words to the Apostles after washing their feet, John 13:34); see mandate.
From Old French mandÃ©, from Latin mandatum, in reference to the phrase mandatum do vobis (“A new commandment I give unto you") (John 13:34).