What is the Latin word for million?

The usual Latin words for “million” are vīciēs, sescentiēs, mīlliēs. The right choice depends on the sense; see the distinctions below.

English → Latin

“million” in Latin

vīciēstwenty times sescentiēssix hundred times mīlliēsa thousand times

The English word million itself goes back to Latin mīlle.

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

million

decies centena millia. Two, three millions, vicies, tricies centena millia: a million times, decies centies millies (PROP.); sexcenties, millies (= times out of number).

Quick answer

What is the Latin word for million?: The usual Latin words for “million” are vīciēs, sescentiēs, mīlliēs. 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.