n. pl. mo·nop·te·roi (-tə-roi′)
A classical structure consisting of a circle of pillars supporting a domed roof, often serving as a temple.
[Latin monopteros, consisting of a monopteros, having a single row of columns and no cella : Greek mono-, mono- + Greek pteron, wing, winglike thing (perhaps on the model of Greek peripteros, flying or going all around, having a single row of columns all around); see pet- 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.