"I can't figure this out"

• It galls terribly to smell book that I can't grasp
• "No clue"
• "I have no idea what you're saying"
• Still confused about a copy of the Iliad?
• Classic statement of confusion, and a hint about this puzzle
• Bewildered comment
• "Too technical!"
• Appropriate comment for this puzzle

Wikipedia Word definitions in Wikipedia
Itsallgreektome (1987–2007) was an American Thoroughbred Champion racehorse . Sired by Sovereign Dancer , who also sired Preakness Stakes winners Gate Dancer and Louis Quatorze , he was out of the mare Sans Supplement, a daughter of Grey Dawn , who was ...