English
heptagon
Heptagon comes from Ancient Greek ἑπτάγωνον.
- Ancient Greekc. 800–300 BCEἑπτάγωνονheptágōnon
- Englishearliest quotation 2023heptagon
attested reconstructed ? uncertain or disputed
Lineage
- Ancient Greekc. 800–300 BCEἑπτάγωνονheptágōnon
- Englishearliest quotation 2023heptagon
Earliest quotation: 2023, 2018 October 31, Colorado Is Not a Rectangle—It Has 697 Sides: “So if Colorado is not a rectangle, what is…”
A compound of ἑπτά ‘seven’ + γωνία ‘angle’
Proto-Indo-European *septḿ̥ ‘seven’
Proto-Hellenic *heptə́ ‘seven’
Ancient Greek ἑπτά ‘seven’
Proto-Indo-European *ǵónu ‘knee’
Proto-Hellenic *gónu ‘knee’
Proto-Hellenic *gonwía
Ancient Greek γωνία ‘angle’
Every English word from Ancient Greek ἑπτάγωνον
Today it means
noun A polygon with seven sides and seven angles.
Language periods are conventional ranges, not dates for this word.
Etymograph / Ancient Greek ἑπτάγωνον / heptagon