What 𞺧 means
It functions as a letter-like symbol in a formula. The Arabic letter behind it is ح (hah); the surrounding notation supplies its exact role.
Arabic mathematical alphabets also appear in Persian contexts. In this notation, letter styles can distinguish symbols, so the double-struck treatment carries mathematical meaning rather than serving as decoration.
Arabic algebraic symbols are attested by at least the late 12th century. In the 15th century, the North African mathematician al-Qalasadi used shortened Arabic words or initials for operations and unknowns, building on earlier work; an 18th-century Tunisian manuscript preserves Maghrebi algebraic notation in use. These dates describe the wider tradition, not the first appearance of this exact encoded character.
Does 𞺧 join like regular ح?
No; it keeps a nonjoining mathematical shape.
Ordinary Arabic ح changes shape to connect inside words. This mathematical symbol is encoded with its own fixed form, so surrounding Arabic letters do not reshape it.
Part of the collection
Who writes 𞺧
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Don't confuse it with
2Questions people ask
1Why does 𞺧 show as a box on some devices?
Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.
How to type or find 𞺧
- Search it as
- arabic math · arabic algebra · double-struck hah · arabic math symbol · arabic letter symbol
- Shows up in
- Anything that takes text · its shape is whatever your font draws
𞺧\1EEA7Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.


