Any of several long slender salamanders of the genus Amphiuma of the southeast United States that in their adult stage have two pairs of very small nonfunctioning legs and breathe with lungs although they are aquatic. Also called Congo eel, Congo snake.
[New Latin Amphiuma, genus name : Greek amphi-, amphi- + Greek pneuma, breath (so named by Alexander Garden, probably in the belief that the adults could breathe in water as well as in air ); see pneu- in the Appendix of Indo-European roots.]
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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.