it may well be that it is Moslem in origin. Muslims believe that the expression 'Mother of the Book' in the Qur'an refers to its heavenly origin and that the earthly copy of the Qur'an is the tangible expression of the intangible 'Mother of the Book'.

and my arch suggestion that we ascribe the source to Eve was irony, a response to the notion that it stems from the 'Hail Mary'.