# cosmo-

> English word · Prefix

## Definitions
1. universe, world
2. cosmic rays

## Etymology
From Ancient Greek κόσμος (kósmos, “universe”).

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