What is the Latin word for series?

The usual Latin words for “series” are seriēs, ōrdō, tenor. The right choice depends on the sense; see the distinctions below.

English → Latin

“series” in Latin

seriēsa row; a succession; a series ōrdōa methodical series, arrangement, or order; regular line, row, or series; a class, station, condition, rank; a group or tenora sustained, continuous course or movement, a continuity of events, conditions etc. or way of proceeding; a line of reas

The English word series itself goes back to Latin serō, through seriēs.

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

series

series (a succession of things): ordo (a row of things, with reference to their local relation to each other): tenor (an unbroken line, continuity). A series of defeats, continuae clades

Quick answer

What is the Latin word for series?: The usual Latin words for “series” are seriēs, ōrdō, tenor. 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.