Octagram

Regular octagram
Regular octagram
	A regular octagram
Type	Regular star polygon
Edges and vertices	8
Schläfli symbol	{8/3}; t{4/3}
Coxeter–Dynkin diagrams	;
Symmetry group	Dihedral (D8)
Internal angle (degrees)	45°
Properties	star, cyclic, equilateral, isogonal, isotoxal
Dual polygon	self

In geometry, an octagram is an eight-angled star polygon.

The name octagram combine a Greek numeral prefix, octa-, with the Greek suffix -gram. The -gram suffix derives from γραμμή (grammḗ) meaning "line".^[1]

^ γραμμή, Henry George Liddell, Robert Scott, A Greek-English Lexicon, on Perseus

[1] γραμμή, Henry George Liddell, Robert Scott, A Greek-English Lexicon, on Perseus

[1]