an·te me·ri·di·em
| \ ˌan-ti-mə-ˈri-dē-əm
, -dē-ˌem \
, -dē-ˌem \
Definition of ante meridiem
: being before noon
—abbreviation AM, a.m., or (British) am
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“Ante meridiem.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ante%20meridiem. Accessed 29 Jun. 2022.
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Time Traveler for ante meridiem
The first known use of ante meridiem was in 1563
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