generated at
vertex

noun (plural vertices | -təˌsēz | or vertexes)
1. the highest point; the top or apex.: 最も高い点; 頂上、頂点
頂上, 頂点
Anatomy the crown of the head.: 脳天
2. Geometry each angular point of a polygon, polyhedron, or other figure.: 多角形、多面体、他の図形の各々の角ばった点
〘数〙 頂点, 角頂;
a meeting point of two lines that form an angle.: 角度を作る2辺が交わる点
(2辺の)交点
the point at which an axis meets a curve or surface.: 軸が曲線や面と交わる点

ORIGIN
late Middle English: from Latin, ‘whirlpool, crown of a head, vertex’, from vertere ‘to turn’.