 Scholars no longer credit the theory expounded in the "Encyclopædia Britannica" Eleventh Edition (1911) that the name derived from Lambert le Bègue, a priest of Liège.Other theories, such as derivation from the name of St. Begga and from a purported, reconstructed Old Saxon word "*beggen", "to beg" or "to pray", have also been discredited.The origin of the movement's name will continue to be as uncertain as dates for the beginning of the movement itself.