ensp
An en space, abbreviated ensp, is a typographic space whose width is approximately half the size of an em space. The name comes from the width of the uppercase letter N in the typeface, a historical convention that remains reflected in digital typography. The exact width varies with font and point size.
In Unicode it is encoded as U+2002. In HTML and other markup languages, you can insert it
Relation to other spaces: the en space is wider than a thin space (U+2009) and narrower than
Usage considerations: because the en space is a defined character rather than just a typographic cue, it