Answer: scotching

AnswerCrossword Clue
SCOTCHINGStamping out
scotchingSCOTCH, to quash (to suppress (to subdue or hold back))
scotchingPrevent (a wheel or other rolling object) from moving or slipping by placing a wedge underneath
scotchingWedge (someone or something) somewhere
scotchingRender (something regarded as dangerous) temporarily harmless
scotchingDecisively put an end to