What is the Latin word for adversaria?

The usual Latin words for “adversaria” are libellus, commentāriolum, commentārius. The right choice depends on the sense; see the distinctions below.

English → Latin

“adversaria” in Latin

libellusthe inner bark of a tree used for writing tablets; a little book, booklet, pamphlet (esp. a book written in pages rather commentāriolumbrief commentary, short treatise; notebook commentāriusmemorandum, notebook; diary, journal; a brief

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

adversaria

note-book, common place-book, libellus: commentariolum, commentarii (Vid: Schütz, Lex. Cic, sub voc. Observe, adversaria is also a day-book, in which accounts were set down at the moment, to be afterward transferred to the ledger).

Quick answer

What is the Latin word for adversaria?: The usual Latin words for “adversaria” are libellus, commentāriolum, commentārius. 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.