1. A brief responsive prayer used as the first item in the Ordinary of the Roman Catholic Mass or in any of various other Christian liturgies, traditionally beginning with the Greek words Kyrie eleison ("Lord, have mercy").
2. A musical setting of this prayer.
[Late Latin Kȳrie (eleison), from Greek Kūrie eleēson, Lord, have mercy : Kūrie, vocative of kūrios, lord, master; see keuə- in the Appendix of Indo-European roots + eleēson, aorist imperative of elein, to show mercy (from eleos, mercy).]
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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.