Possible Clues:

• Cut out the chaff on what's aged in the doorway
• Bride gets carried away and goes over the limit here
• Entrance others held to need renovation lacking bit of elegance
• Starting-point of an experience, event or venture
• Held short altercation on the doorstep
• Sill of house door
• Ordered to keep her strangely quiet: that's the limit
• The bride may be carried across this door bottom
• Starting point
• Verge - whip past it