Where does “heptágono” come from?

heptágono (Spanish) comes from Latin heptagonum, from Ancient Greek ἑπτάγωνον, from Ancient Greek ἑπτάγωνος, from Ancient Greek ἑπτά, from Proto-Hellenic heptə́, from Proto-Indo-European septḿ̥ — seven.

heptágono (Spanish): heptagonal; heptagon

Definitions

heptagonal; heptagon

Ancestry of “heptágono”, step by step

Step	Language	Word	Meaning
1	Latin	heptagonum	—
2	Ancient Greek	ἑπτάγωνον	—
3	Ancient Greek	ἑπτάγωνος	seven-angled
4	Ancient Greek	ἑπτά	seven
5	Proto-Hellenic	heptə́	seven
6	Proto-Indo-European	septḿ̥	seven

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