-gono

See also: gono, Gono, and gono-

Galician

Etymology

From Ancient Greek γωνία (gōnía, “corner, angle”).

Suffix

-gono m (noun-forming suffix, plural -gonos)

1. (geometry) -gon (forms the names of plane figures containing a given number of angles)

Derived terms

Galician terms suffixed with -gono

pentágono

polígono

Italian

Etymology

From Ancient Greek γωνία (gōnía, “corner, angle”).

Suffix

-gono

1. (geometry) -gon (forms the names of plane figures containing a given number of angles)

Derived terms

Italian terms suffixed with -gono

decagono

dodecagono

ennagono

eptagono

nonagono

pentadecagono

tetragono

trigono

Portuguese

Etymology

From Ancient Greek γωνία (gōnía, “corner, angle”).

Pronunciation

 

• (Brazil) IPA^(key): (stressed on the antepenultimate syllable) /ɡo.nu/

• (Brazil) IPA^(key): (stressed on the antepenultimate syllable) /ɡo.nu/
  • (Southern Brazil) IPA^(key): (stressed on the antepenultimate syllable) /ɡo.no/

• (Portugal) IPA^(key): (stressed on the antepenultimate syllable) /ɡu.nu/

Suffix

-gono m (noun-forming suffix, plural -gonos)

1. (geometry) -gon (forms the names of plane figures containing a given number of angles)

Derived terms

Portuguese terms suffixed with -gono

eneágono

ortogonal

pentágono

polígono

Further reading

• “-gono”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026
• “-gono”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026

Spanish

Etymology

From Ancient Greek γωνία (gōnía, “corner, angle”).

Pronunciation

• IPA^(key): /ˈɡono/ [ˈɡo.no]
• Syllabification: -go‧no

Suffix

-gono m (noun-forming suffix, plural -gonos)

1. (geometry) -gon (forms the names of plane figures containing a given number of angles)

Derived terms

Spanish terms suffixed with -gono

pentágono

polígono

Further reading

• “‒́gono”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025