# -gon

> English word · Suffix

## Definitions
1. Forms the names of plane figures containing a given number of internal angles, and thus bounded by that number of line segments (polygons).

## Etymology
From Ancient Greek γωνία (gōnía, “corner, angle”), from Proto-Indo-European *ǵónu (“knee”).

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