What 𞹑 means
It marks a distinct mathematical form of Arabic ṣād. Arabic mathematical handbooks used this alphabetic tradition in manuscripts and print for many centuries.
Moroccan handbooks used this notation before French-style notation was adopted, and a 1987 convention in Amman helped standardize it. Tailed, looped, and other letter styles can carry mathematical distinctions; these symbols do not reshape to join ordinary Arabic text.
Who writes 𞹑
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Don't confuse it with
1Questions people ask
1Why does 𞹑 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 𞹑
- Search it as
- ṣād math · tailed ṣād · arabic math letter · ص math
- Shows up in
- Anything that takes text · its shape is whatever your font draws
𞹑\1EE511EE51 and press Alt+X to turn the hexadecimal Unicode value into the character.Codes and encoding1 code points
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.

