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nosce te ipsum

American  
[nohs-ke tey ip-soom, noh-see tee ip-suhm] / ˈnoʊs kɛ teɪ ˈɪp sʊm, ˈnoʊ si ti ˈɪp səm /
Latin.

  1. know thyself.

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.