U+291B "⤛" Leftwards Double Arrow-Tail Unicode Character

U+291B "⤛" Leftwards Double Arrow-Tail is a typographic symbol classified in the Arrows block, specifically designed to depict a leftward pointing arrow that features a double shaft and a tail on its origin end. Its distinctive double arrowhead indicates greater emphasis or strength in the leftward direction compared to a standard single arrow, while the tail at the starting point suggests a source or anchor from which the movement originates. This character is primarily used in mathematical notation, logic, and technical diagrams to represent functions, mappings, or processes that require explicit bidirectional or offset visual cues, offering clarity in complex systems where directional intent must be unambiguous.

General Properties

Code Point	U+291B
Version Added	3.2
Name	Leftwards Double Arrow-Tail
Block	Supplemental Arrows-B
General Category	Math Symbol
Canonical Combining Class	Not Reordered
Bidirectional Class	Other Neutral

Encodings

HTML Decimal Encoding	⤛
HTML Hex Encoding	⤛
UTF-8 Encoding	0xE2 0xA4 0x9B
UTF-16 Encoding	0x291B
UTF-32 Encoding	0x0000291B
C/C++/Java Escape	\u291b

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
NFKC Quick Check	Yes
NFKD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Script	Common
Script Extensions	Common
Indic Syllabic Category	Other
Pattern Syntax	Yes
Math	Yes
Vertical Orientation	Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	Other