index rerum

noun

A tabulated and alphabetized notebook, for systematic preservation of items, quotations, etc.

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Meanings

nounindex rerum (plural index rerums)

plural index rerums

  1. A tabulated and alphabetized notebook, for systematic preservation of items, quotations, etc.
  2. An index of subjects; used when a work contains multiple indices, such as one for personal names (index nominum), passages cited (index locorum), or words (index verborum)

Origin

Latin: index + rerum.

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Cite this entry
APA

index rerum. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/index%20rerum

MLA

“index rerum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/index%20rerum. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “index rerum,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/index%20rerum.

Source: index rerum on Wiktionary, CC BY-SA 4.0.