What is the Latin word for ID, in the sense of a code or name that is unique to a thing so that it can be identified? Such codes are commonly used in databases for example.

I doubt that a word with a common etymology would fit since Gaffiot says that "identitas" is ecclesiastical. Moreover Smith & Hall only give periphrases to translate "to identify".

And unfortunately the Wikipedia article has no Latin version.

  • Are you looking for a specific era? It sounds like you'd dislike an ecclesiastical word. There might not be good fits in the classical vocabulary.
    – Joonas Ilmavirta
    Apr 23, 2022 at 16:33
  • I would prefer a term used in classical Latin, but if there is no good fit, a later word would do, thanks
    – user10919
    Apr 23, 2022 at 16:46

1 Answer 1


I would suggest looking for a suitable term in the rich vocabulary of scholastic philosophy. What about "nomen proprium" or "signum distinctivum"?

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