Baruch S. Davidson: [Avraham] gave [B'nei Keturah] the right to use the name of G‑d even when in a state of physical impurity.
Baruch S. Davidson: [Avraham] taught [B'nei Keturah] names for their idols that would connote the tumah associated with them
Baruch S. Davidson: [Avraham] taught [B'nei Keturah] how to protect themselves from the forces of tumah such as demons because by knowing the names of theses negative energies they would be able to instruct them to do their will and remove them.




