It was introduced into the liturgy in the tenth century, as a new genre of liturgical ceremony:[1]
Ite, nuntiate quia surrexit de sepulchro Translation: Question [by the Angels]: Whom do ye seek in the sepulchre, O followers of Christ?
—John Gassner, editor, Medieval and Tudor Drama The lines were then followed by a sung chorus of Alleluias.
is not in fact in Luke 24, where it is implied but omitted: "Why seek ye the living among the dead?
The actual question is directly expressed in John 18:7 under a different context: "Iterum ergo interrogavit eos: Quem quæritis?