Edema. No longer in scientific use.
[Middle English dropesie, short for idropesie, from Old French ydropisie, from Medieval Latin ydrōpisia, from Latin hydrōpisis, from Greek hudrōpiāsis, from hudrōps, dropsy, a dropsical person : hudro-, water; see HYDRO- + ōps, face; see okw- in the Appendix of Indo-European roots.]
dropsi·cal (-sĭ-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.