broach1
  
  v.
  - raise (a sensitive subject) for discussion.
 - pierce or open (a cask or other container) to draw alcohol.
 
 
  Etymology
  ME (in sense ‘prick or pierce’): from OFr. brochier, based on L. brocchus, broccus ‘projecting’.
 
  
    
broach2
  
  v.
 Nautical  (of a ship) veer and pitch forward, presenting a side to the wind and waves and losing steerage control.
 
  Etymology
  C18: of unknown origin.