late 13c., from O.Fr. cours, from L. cursus "a running race or course," from curs- pp. stem of currere "to run" (see current). Most extended senses (meals, etc.) are present in 14c. Academic meaning "planned series of study" is c.1600 (in French from 14c.). The verb is from 16c.
The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D. Copyright (C) 2007 by HarperCollins Publishers. Cite This Source
Idioms and Phrases with in due course
in due course of time;
in due time;
all in good time. After an appropriate interval, in a reasonable length of time. For example, In due course we'll discuss the details of this arrangement, or In due time the defense will present new evidence, or You'll learn the program in time, or We'll come up with a solution, all in good time. Chaucer used
in due time in the late 1300s, and the other usages arose over the next few centuries. However also see:in good time for another meaning.