Vertex - वरत-ईक्ष

the highest point; the top or apex. each angular point of a polygon, polyhedron, or other figure. वर - var - best, choose, seek वरत - varat - best elected, chosen, sought ईक्ष - to see What it means is the best chosen to over see. It is like the word matrix which is like मातृ-ईक्ष which means the mother overseeing. The vertex is like that. For example, when two lines cut, which point is the most interesting? The vertex! Similary, when one looks at the triangle, what points are chosen? The three vertex points! The matrix came from Sanskrit Tables used for Noun, Pronoun, Participles, and Adjectives Conjugation and Verb Declensions. So it provided an indirection, handle and abstraction to oversee. Mathematical Matrix and Tables in Software and Databases are like that. It provides an address to a family of related things.