# Meeussen's rule

> English word · Proper noun

## Definitions
1. The rule describing a special case of tone reduction in Bantu languages, where in some contexts the second of two adjacent high tones is lowered.

## Etymology
Named after its first observer, Achille Emile Meeussen (1912–1978).

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