English
heptacontagon
From hepta- + -conta- + -gon.
Formed from hepta- + -conta- + -gon
Proto-Indo-European *septḿ̥ ‘seven’
Proto-Hellenic *heptə́ ‘seven’
Ancient Greek ἑπτά ‘seven’
English hepta-
Today it means
noun A polygon with seventy edges.
Language periods are conventional ranges, not dates for this word.
Etymograph / heptacontagon