Back to the Beginning, Known as __ One

This page is the CodyCross answer for the clue below from Physics, Group 1896, Puzzle 4 (Infrared Camera).

Question is: Back to the Beginning, Known as __ One

and the answer is: SQUARE

Word Meaning:

SQUARE — (geometry) A polygon with four straight sides of equal length and four right angles; an equilateral rectangle; a regular quadrilateral.

Definitions from Wiktionary.

Back to the beginning, known as __ one — CodyCross Answer | CodyCross Solutions