SOURCE OF HARM is a term used to describe something that can cause harm or damage. The crossword solutions EVIL, DETRIMENT, and BANE all refer to sources of harm. EVIL is an adjective used to describe something that is morally wrong or bad. DETRIMENT is a noun that refers to something that causes harm or damage. BANE is another noun that means a source of harm or ruin. All three words can be used to describe a source of harm.