Yahr·zeit 
(yärtsīt′, -zīt′)
(yärtsīt′, -zīt′)n.
Judaism
Judaism
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 the Appendix of Indo-European roots) + zīt, time (from Old High German; see dā- in the Appendix of Indo-European roots).]