From Longman Dictionary of Contemporary EnglishMaundy ThursdayMaun‧dy Thurs‧day /ˌmɔːndi ˈθɜːzdi, -deɪ $ ˌmɒːndi ˈθɜːrz-/ noun [uncountable] TMCthe Thursday before EasterOrigin Maundy Thursday (1200-1300) maundy “Christian ceremony of washing poor people's feet”, from Old French mandé, from Latin mandatum “command”
