What is the Latin word for copiousness?

The usual Latin words for “copiousness” are cōpia, abundō. The right choice depends on the sense; see the distinctions below.

English → Latin

“copiousness” in Latin

cōpiasupply, abundance, copiousness, wealth, riches; plenty, fulness, multitude; opportunity, facilities (the means of doing abundōto overflow, flow over or down; to abound or overflow in; to exceed (in)

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

copiousness

copia: abundantia (abundance): rerum frequentia (of matter, as Cic., De Or., 2, 13, 56; Thucydides creber est rerum frequentia). Copiousness of thought, crebritas sententiarum (Cic., Brut., 95, 325).

Quick answer

What is the Latin word for copiousness?: The usual Latin words for “copiousness” are cōpia, abundō. 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.