primary source
American
[prahym-er-ee sawrs, sohrs]
/ ˈpraɪm ɛr i ˈsɔrs, ˈsoʊrs /
noun
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.