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The anniversary of the death of a relative, observed with mourning and the recitation of religious texts.
[Yiddish, anniversary, from Middle High German jārzīt : jār, year (from Old High German; see yēr- in Indo-European roots) + zīt, time (from Old High German; see dā- in Indo-European roots).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Judaism) Judaism the anniversary of the death of a close relative, on which it is customary to kindle a light and recite the Kaddish and also, in some communities, to observe a fast
[Yiddish, from Middle High German jārzīt anniversary; see year, tide1]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Yahr•zeit(ˈyɑr tsaɪt, ˈyɔr-)
Judaism. the anniversary of the death of a parent or other close relative, observed by lighting a candle and reciting the Kaddish.
[1850–55; < Yiddish yortsayt]
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