n. (pl.) de·mon·ol·o·gies
1. The study of demons.
2. Belief in demons.
3. A list or catalog of one's enemies: “As the years passed [the magazine's] demonology expanded to include Bolsheviks, radicals, Franklin D. Roosevelt, the New Deal, Government work programs or aid programs of any kind” (Maggie Nichols).
de′mon·o·logic (-ə-lŏjĭk), de′mon·o·logi·cal (-ĭ-kəl) adj.
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Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.