↫

Left Arrow With Loop

Unicode
U+21AB
Category
Arrows
HTML Entity
↫
CSS
\21AB
The Left Arrow With Loop symbol (↫) features a horizontal line pointing leftward that originates from a curly loop. In mathematics and computer science, it often represents a specific type of function mapping, an algorithmic loop, or a "return" command. Outside technical fields, you might spot it in typography or digital design to indicate a process looping back to an earlier step or an "undo" action.

How to Type

Windows
Type 21AB then press Alt+X in Microsoft Word, or press Win+. and search for 'arrow'
macOS
Control+Command+Space then search 'left arrow with loop'
HTML
↫ or ↫

In Programming

In formal logic and mathematics, this symbol occasionally denotes injective functions or specific mapping relations. In algorithmic documentation, it visually represents an iterative loop or a process returning to a previous state.

Read full meaning article

Tags

algorithm arrow computer science direction function mapping left loop math return undo unicode arrows

Related Symbols

← Left Arrow ↑ Up Arrow → Right Arrow ↓ Down Arrow ↔ Left Right Arrow ↕ Up Down Arrow ↖ North West Arrow ↗ North East Arrow ↘ South East Arrow ↙ South West Arrow ↞ Left Two Headed Arrow ↠ Right Two Headed Arrow