Answer: lathering

AnswerCrossword Clue
LATHERINGShaving preliminary.
latheringCause (a horse) to become covered with sweat
latheringLATHER, to cover with a light foam
latheringCause (soap) to form a frothy white mass of bubbles when mixed with water
latheringRub soap onto (a part of the body) until a lather is produced
latheringCover something liberally with (a substance)
latheringThrash (someone)
lathering(of soap or a similar cleansing substance) Form a frothy white mass of bubbles in such a way