n. pl. plaice or plaic·es
1. A large edible marine flatfish (Pleuronectes platessa) of European coastal waters.
2. Any of various other flatfishes, such as Hippoglossoides platessoides of northern Atlantic coastal waters.
[Middle English, from Old French plais, from Vulgar Latin *platīx, alteration of Late Latin platessa, probably ultimately from Greek platus, broad; see plat- 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.