# ison

> English word · Noun · frequency rank #76,005

## Definitions
1. Accompanying drone in Byzantine music.

## Etymology
From Byzantine Greek ἴσον (íson).

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