LATIN DICTIONARYLexicon Latīnum
English → Latin

“twelve” in Latin

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

twelve
duodecim: duodeni (disiributive, and with substantives that are used only in the plur.; e.g., duodenae literse = duodecim epistolae; or duodecim litterae = twelve letters of the alphabet). Twelve times, duodecies: twelve times as much, duodecim partibus plus: twelve hundred, mille et ducenti; milleni et duceni (distributive, or with substantives found only in the plur.): twelve hundred times, millies et ducenties: the twelve hundredth, millesimus ducentesimus: of twelve years (in duration), duodecim annorum: twelve years old, duodecim annos natus: twelve thousand, duodecim millia; duodena millia (distributively, etc.): twelve pounds in weight, duodecim pondo; duodecim libras pondo (valens): a twelve pounder (cannon), *tormentum bellicum globos singulos duodecim librarum mittens.

Quick answer

What is the Latin word for twelve?
The usual Latin words for “twelve” are duodecim, duodēnus, duodeciēs. 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.