Where does “heptagon” come from?

heptagon (English) comes from Ancient Greek ἑπτάγωνον, from Ancient Greek ἑπτάγωνος, from Ancient Greek ἑπτά, from Proto-Hellenic heptə́, from Proto-Indo-European septḿ̥ — seven.

heptagon (English): A polygon with seven sides and seven angles

Definitions

  1. A polygon with seven sides and seven angles

Ancestry of “heptagon”, step by step

StepLanguageWordMeaning
1Ancient Greekἑπτάγωνον—
2Ancient Greekἑπτάγωνοςseven-angled
3Ancient Greekἑπτάseven
4Proto-Hellenicheptə́seven
5Proto-Indo-Europeanseptḿ̥seven

Words derived from “heptagon”

Every word from Proto-Indo-European septḿ̥ →Every word from Proto-Hellenic heptə́ →Every word from Ancient Greek ἑπτά →