El·lis (ĕlĭs), (Henry) Havelock 1859-1939.
British psychologist and writer known for his pioneering works on sexuality, such as Studies in the Psychology of Sex (seven volumes, 1897-1928).
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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:
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