What does nomos mean?
Nomos is a specialized term derived from ancient Greek and used chiefly in the history of philosophy. It means law or an underlying principle of order, especially the Stoic belief that the universe is governed by a rational, impersonal law analogous to the moral law governing human beings. In discussions of ancient Greek thought, it may also denote law, custom, or established practice more broadly. The term is often paired with logos: nomos represents the principle of law and order, while logos represents reason, rational structure, or expression. Although “law” is the closest ordinary English equivalent, nomos has a broader and more philosophical force. It can suggest an enduring, sometimes cosmic principle rather than a rule made by a particular government. In contemporary English it remains mainly an academic term associated with Stoicism, ancient Greek ethics, and philosophy of law.
nounIn ancient Greek thought, especially Stoicism, law or an underlying principle of order governing the universe or human conduct. In discussions of ancient Greek philosophy, it can also refer more generally to law, custom, or established practice.
- An overarching law or principle of rational order, especially the Stoic conception of an impersonal law governing nature.
- In ancient Greek usage, law, custom, or established practice collectively.
"The Stoic nomos was understood as an impersonal law of nature expressing rational order."
"For the Stoics, the nomos permeated nature with the same rational order that it imposed on human life."
"The seminar examined the relationship between nomos, the principle of order, and logos, the principle of rational expression."
The standard plural of nomos, using the Greek plural form.
"The nomoi of different societies reflect their distinct customs and institutions."
Ancient Greek thinkers used nomos for the law that orders the world—and logos for the reason that explains it.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of nomos
Nomos comes from ancient Greek νόμος (nomos), meaning law, custom, or ordinance. The word was especially important in Stoic philosophy, where it came to denote the rational law or order governing the universe. Its intellectual contrast with logos, associated with reason and rational expression, became especially influential in ancient and later philosophical discussion.
How nomos is actually used
This is primarily a term of ancient Greek philosophy and intellectual history. It is formal and specialist in modern English and is often discussed in contrast with logos. It should not be confused with modern legal senses of the ordinary English word “law” without historical context.
Easily confused with nomos
Nomos denotes law or an ordering principle, whereas logos denotes reason, rational structure, or the principle of expression in language.