LATIN DICTIONARYLexicon Latīnum
English → Latin

“proper” in Latin

The English word proper itself goes back to Latin proprius.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

proper
Right, fit, true, verus (real; opposed to falsus): germanus (genuine). (The words are found in this connection and order.) verus et germanus: justus (right, legitimate). A proper (opposed to a figurative, etc.) word, verbum proprium (opposed to verbum translatum). To denote anything by the proper term or expression, aliquid verbo proprio declarare: Vid: also, FIT.
Peculiar, Vid.

Quick answer

What is the Latin word for proper?
The usual Latin words for “proper” are vērus, germānus, iūstus. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.