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Rosh Hodesh

or Rosh Cho·desh

[rohsh khoh-desh; Ashkenazic Hebrew rohsh khoh-desh; Sephardic Hebrew rawsh khaw-desh]
noun Judaism.
  1. the beginning of a new month in the Jewish calendar, celebrated in a specified manner during the morning service in the synagogue.

Origin of Rosh Hodesh

From the Hebrew word rōsh ḥōdhesh literally, beginning of the new moon
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018