The story
From hexa- (“six”) + hecta- (“hundred”) + ennea- (“nine”) + -conta- (“ten”) + -kai- (“and”) + hepta- (“seven”) + -gon. Coined humorously to describe the shape of the US state of Colorado.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A polygon with 697 sides. Full definition →