Possible Clues:

• Couplet rewritten more than seven times
• Couplet is to be revised many times more
• Sounds as if they ate a number of times
• Double, double and double again
• Expand to 800%
• Couplet rewritten for Times, significantly
• Strange couplet having eight parts
• Manifold — and oddly problematic at first to clue!
• Conservative in EU plot sacked by 8
• Couplet about — six fewer than this?