anno mundi
Latin phrase
an·no mun·di
ˌä-nō-ˈmu̇n-dē 
: in the year of the world
—used in reckoning dates from the supposed period of the creation of the world, especially as fixed by James Ussher at 4004 b.c. or by the Jews at 3761 b.c.
—abbreviation AM
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“Anno mundi.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anno%20mundi. Accessed 12 Jul. 2025.
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