the doctrine that rules or principles of law on which a court rested a previous decision are authoritative in all future cases in which the facts are substantially the same.
Origin of stare decisis
First recorded in 1855–60, stare decisis is from the Latin word stāre dēcīsīs to stand by things (that have been) settled
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Latin, literally "to stand by things decided."
Online Etymology Dictionary, © 2010 Douglas Harper
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.