Answer:

leadup

AnswerCrossword Clue
LEADUPHelp cause, with "to"
LEADUPPrepare the way (to)
LEADUPPrecede, with "to"
LEADUPGuide to the summit
LEADUPPrepare the way, with "to"
LEADUP... to (pave the way)
LEADUPApproach of the French in spring (4-2)
LEADUPPreliminary events
LEADUPPreparatory stage
LEADUPSeries of antecedents
LEADUPPrecede (with "to")
LEADUPPrelim