Possible Clues:

• Would amen do for when one was pained, by the sound of it?
• Complained to me and went off about nothing
• Complained about dean to doctor
• It's mean to do with this and have complained
• Indicated pain
• Sounded hurt
• The sad sound a demon could have made
• Indicated agony
• A demon (anag.)
• After there was no more bird, Edward complained