Etymology of the Latin word pentagonum
the Latin word
pentagonumderived from the Greek word
pentagonon, πεντάγωνον
using the Greek prefix
penta-, πεντα-, πέντα-
derived from the Late Greek word
pente, πέντε ('five')
derived from the Proto-Indo-European root
*penkʷeusing the Greek suffix
-gonon, -γωνον
derived from the Greek word
gonia, γωνία (angle; an angle)
derived from the Proto-Indo-European root
*genu-Derivations in other languages
English
pentagon, French
pentagoneUsage
Word found in Late Latin, Vulgar Latin