pentagram
‘a five-pointed star that is formed by drawing a closed, continuous figure of five straight intersecting lines, often used as a mystic or magical symbol’
Lexical development traced from Tamil root:
E. pentagramma < Gk. pentagrammon < pentagrammos ‘having or consisting of five lines’ < pente ‘five’ + gramma ‘letter, character, what is written’ < pentuh < penkwe- < Tamil aintu