Possible Clues:

• ''The Faerie Queene'' division
• Part of a poem
• Unable to get around to this inverse form
• 'The Faerie Queene' division
• Each of sections into which long poem is divided
• Each of the sections of a long poem
• That bit of poetry is unable to come to nothing
• Division of e.g. Dante's Inferno
• Section of (long) poem
• Main division of long poem