req·ui·es·cat (rĕk′wē-ĕskăt′, -kät′)
A prayer for the repose of the souls of the dead.
[Latin requiēscat, third person sing. present subjunctive of requiēscere, to rest : re-, re- + quiēscere, to rest; see kweiə- 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.