Adar Rishon
noun
Adar Ri·shon
ä-ˌdär-rē-ˈshōn 
: the intercalary month of the Jewish calendar that precedes Adar Sheni in leap years see Months of the Principal Calendars Table
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“Adar Rishon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Adar%20Rishon. Accessed 31 Oct. 2025.
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