Answer: cannibalised

AnswerCrossword Clue
cannibalised(of an animal) Eat (an animal of its own kind)
cannibalisedUse (a machine) as a source of spare parts for another, similar machine
cannibalised(of a company) Reduce (the sales of one of its products) by introducing a similar, competing product
cannibalisedUse (the creative work of others) in one's own art
cannibalisedCANNIBALISE, to take salvageable parts from (as a disabled machine) for use in building or repairing another machine