The Unicode character U+2000 is known as the "En Quad". It belongs to the block of General Punctuation within the Unicode standard. It is a whitespace character that is one en (half the width of an em) in width. In typography, an en is a typographic unit that is approximately the width of the capital letter "N".

Copy EN QUAD

You can copy En Quad here and use it wherever you like

Unicode U+2000
HTML Entity 
LateX\quad
CSS\u2000