Heptagon
/ˈhɛp.tə.ɡən/noun
A seven-sided polygon.
Did you know?The prefix 'hepta-' comes from Greek mythology, where the number seven was considered sacred and linked to perfection and completeness.
Etymological Timeline
Ancient Greek
Greek
ἑπτάγωνον
“A geometric figure with seven angles.”
Middle French
French
heptagone
“Adoption of the Greek term into the vernacular, retaining its geometric meaning.”
17th Century
Latin
heptagonus
“A direct borrowing from Greek; used in mathematical texts.”
Modern English
English
heptagon
“The contemporary term used in geometry to describe a seven-sided polygon.”
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