# Law of the Medes and Persians

> English word · Noun

## Definitions
1. A rule, law or custom which is unchangeable.

## Etymology
From the King James Bible, Daniel Chapter 6, verse 8:
:: "Now, O king, establish the decree, and sign the writing, that it be not changed, according to the law of the Medes and Persians, which altereth not."

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/law-of-the-medes-and-persians