LATIN DICTIONARYLexicon Latīnum
English → Latin

“proxy” in Latin

The English word proxy itself goes back to Latin prōcūrō, through procuratia.

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

proxy
Procuracy, procuratio (general term): cognitura (in a matter of law, and especially in state affairs; post-Augustan): advocatio: patrocinium [SYN. in ADVOCATE]: to vote by proxy, *per procurationem alterius sententiam ferre.
One who acts for another, procurator (general term): cui rerum agendarum licentia data or permissa est (☞ Cic., Verr., 3, 94, 220; Sall., Jug., 103, 2): qui mandata habet ab aliquo (who has full power of transacting anybody’s affairs): *publica auctoritate missus; or legatus simply, if on slate business: (☞ mandatarius is a doubtful reading in Ulp., Dig., 17, 1, 10; ☞ Heinecc. ad Brisson. de verbb. signif., p. 782.): vicarius (who officiates for another person): to act by proxy, aliena fungi vice: procurare (to officiate in anybody’s place as well in private as public business, to act in anybody’s absence): alicujus vice or officio fungi (to act in anybody’s stead): alicujus negotia or rationes procurare, or simply alicui procurare (to take care of anybody’s affairs, to mind his interest).

Quick answer

What is the Latin word for proxy?
The usual Latin words for “proxy” are prōcūrātiō, cognōscō, advocātiō; also patrōcinium, prōcūrātor, legō. 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.