Here's a high-class clue: it's the last word in the kid's rhyme that begins, "I see London, I see France..."
I do a lot of thinking about the writing before I actually begin putting words
... [DOC] [TLE] Untagged Riddles and Answers - Treasure Hunt Riddles and Answers [PAR] Loads of free Untagged riddles and answers suitable as clues for treasure ...