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mes·o·pe·lag·ic

(mĕz′ə-pə-lăjĭk, mĕs′-)

adj.

Relating to or inhabiting the layer of the water column in the open ocean that lies between the epipelagic and bathypelagic layers at depths of about 200 to 1,000 meters (656-3,280 feet).

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:

Indo-European Roots

Semitic Roots

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.

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