Answer: doubling

AnswerCrossword Clue
doublingto make double
doublingfolded in two
doublingto become double
doublingto repeat
doublingsuitable for two
doublingcomposed of two like parts
doublingdouble quantity
doublingto turn back
doublingtwice as large, as many, etc.
doublingto serve in two capacities
doublinggame between two pairs of players
doublingto bend or fold with one part over the other
doublingduplicate
doublingthe act of making double