ma·vour·neen also ma·vour·nin (mə-vrnēn′)
[Irish Gaelic mo mhuirnín : mo, my (from Old Irish; see me-1 in the Appendix of Indo-European roots) + muirnín, darling, diminutive of muirn, delight (from Old Irish, tumult, revels).]
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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.