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Yom Kip·pur

(yôm′ kĭpər, yōm′, yŏm′, yôm′ kē-pr)

n.
Judaism

A holy day observed on the tenth day of Tishri and marked by fasting and prayer for the atonement of sins. Also called Day of Atonement.

[Hebrew yôm kippûr : yôm, day; see ywm in the Appendix of Semitic roots + kippûr, atonement (from kippēr, to cover, atone; see kpr¹ in the Appendix of Semitic roots).]

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:

Indo-European Roots

Semitic Roots

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.

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