Answer: backing

AnswerCrossword Clue
BACKINGSupport
BACKINGSupport.
BACKINGSupporting
BACKINGPolitical endorsement
BACKINGMoral support
backingA layer of material that forms, protects, or strengthens the back of something
backinga support
backingSupport or help
backingThe movement of the place of formation of a sound toward the back of the mouth
backing(esp. in popular music) The music or singing that accompanies the main singer or soloist