Cheshvan (חֶשְׁוָן, Standard HebrewḤešvan, Tiberian HebrewḪešwān, Ḥešwān, short for מַרְחֶשְׁוָן, Standard HebrewMarḥešvan, Tiberian HebrewMarḫešwān, Marḥešwān: from Akkadianwaraḫsamnu, literally "eighth month") is the second month of the ecclesiastical year and the eighth month of the civil year on the Hebrew calendar. In the Bible it is called Bul. It is an autumn month of 29 days, except in years of 355 or 385 days in which it has 30 days. The Modern Hebrew language is a Semitic language of the Afro-Asiatic language family. ... Tiberian Hebrew is an oral tradition of pronunciation for ancient forms of Hebrew, especially the Hebrew of the Bible, that was given written form by masoretic scholars in the Jewish community at Tiberias in the early middle ages, beginning in the 8th century. ... The Modern Hebrew language is a Semitic language of the Afro-Asiatic language family. ... Tiberian Hebrew is an oral tradition of pronunciation for ancient forms of Hebrew, especially the Hebrew of the Bible, that was given written form by masoretic scholars in the Jewish community at Tiberias in the early middle ages, beginning in the 8th century. ... Akkadian (liÅ¡Änum akkadÄ«tum) was a Semitic language (part of the greater Afro-Asiatic language famaily) spoken in ancient Mesopotamia, particularly by the Assyrians and Babylonians. ... The Hebrew calendar (Hebrew: ) or Jewish calendar is the annual calendar used in Judaism. ...
Given the Akkadian etymology, it seems likely the מ and the ו were switched at some point in time. Since then, the first two letters מַר (mar) have been reinterpreted as the Hebrew word for bitter, alluding to the fact that the month has no holidays or fasts. However, the Ethiopian Jewish community celebrate Sigd on the 29th day of Cheshvan. The Beta Israel (or House of Israel), known by outsiders by the pejorative term Falasha or Falash Mura (exiles or strangers) are Jews of Ethiopian origin. ...
Cheshvan (or Mar-Cheshvan) is the eighth of the twelve months of the Jewish calendar.
In the Bible, Cheshvan is called chodesh bul, from the word mabul, "the flood." The flood began on the 17th of Cheshvan, and ended the following year on the 27th of Cheshvan.
Cheshvan is the only month which has no holidays or special mitzvot.We are taught that it is "reserved" for the time of Mashiach, who will inaugurate the third Temple in Cheshvan.