-gon

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

-gon

1. (geometry) Forms the names of plane figures containing a given number of angles, and thus bounded by that number of line segments (polygons). If the number is large enough, it can take the hyphenated suffix directly.

   A pentagon has five sides.

   a 17-gon

• -gonal
• -hedron

• NGO, Ngo, Ong, nog

None; due to Abinomn's possible nature of being a language isolate.

-gon

1. forms plurals of certain nouns ending with an "i" sound, as opposed to -kon and -di

Borrowed from Ancient Greek γωνία (gōnía).

-gon m (noun-forming suffix, plural -gons)

1. (geometry) -gon

• “-gon” in Diccionari de la llengua catalana, segona edició, Institut d’Estudis Catalans.
• “-gon”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2024
• “-gon” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.

Ultimately from Ancient Greek γωνία (gōnía).

• IPA^(key): /ˈɡoːn/

-gon

1. (geometry) -gon

• -hörning

• nog