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idem

pronoun
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\ ˈī-ˌdem How to pronounce idem (audio) , ˈē-, ˈi- How to pronounce idem (audio) \

Definition of idem

: the same as something previously mentioned —used chiefly in bibliographies

First Known Use of idem

before the 12th century, in the meaning defined above

History and Etymology for idem

Middle English, from Latin, same — more at identity

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The first known use of idem was before the 12th century

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Cite this Entry

“Idem.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/idem. Accessed 31 May. 2020.

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More Definitions for idem

idem

pronoun
\ ˈī-dəm, ˈē-dem How to pronounce idem (audio) \

Legal Definition of idem

: something previously mentioned : the same authority —used in citations to cases and other works to refer to an immediately preceding reference — compare infra, supra

Note: Idem is usually used in the form of its abbreviation id.

History and Etymology for idem

Latin, same

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