Possible Clues:

• Adoring solution of Alexander's problem
• Kind of knot
• Cut this knot to solve problem forcefully
• Adoring tricky sort of knot
• The - - knot (mythology)
• By the sound of it, not the tide of old
• Adoring puzzle that's said not to be difficult to solve
• To cut the - knot is to solve a hard problem
• It's not, they say, something of mine
• Cut the . . . . . . . knot to solve a problem by unexpected means