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𐜡

linear a sign a640

Linear A Sign A640

𐜡 is an undeciphered Linear A sign; A640 is its catalog label for transcription.

Text symbol
Search it as
A640 · Linear A A640
Shows up in
Anything that takes text · its shape is whatever your font draws

What 𐜡 means

In 2026, Linear A has no agreed decipherment. Linear B and the Cypriot syllabary are deciphered; A640 is a label in GORILA, a modern catalogue.

Evidence begins in Middle Minoan IIA, by the end of the nineteenth century BCE, in administrative and cult objects.

Linear A built on the earlier Cretan Hieroglyphic script, then modelled Linear B and the Cypro-Minoan script; the Cypriot syllabary followed.

Why does 𐜡 appear as a box?

A box can mean the selected font lacks Linear A glyphs.

In 2026, the text can be correct while the font lacks this glyph.

Don't confuse it with

4
𐙙
Linear A Sign A305
shares “linear”, “sign”
𐙚
Linear A Sign A306
shares “linear”, “sign”
𐙛
Linear A Sign A307
shares “linear”, “sign”
𐙜
Linear A Sign A308
shares “linear”, “sign”

Questions people ask

1

Why does 𐜡 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 𐜡

Windows (Word)
Alt+XType 10721, then Alt+X to get 𐜡.
Windows
Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win + .).
macOS
Control+Command+SpaceOpen the character viewer and search “linear a sign a640”.
Linux
Ctrl+Shift+UType 10721, then Enter or Space.
HTML
𐜡
CSS
\10721
Unicode input
In 2026, Windows Word: 10721 then Alt+X; Linux GTK: Ctrl+Shift+U, 10721, Enter; macOS Unicode Hex Input accepts four digits only.
Codes and encoding1 code points
HTML decimal
𐜡
HTML hex
𐜡
CSS content
content: "\10721";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%F0%90%9C%A1
1
On screen
1
Code points
2
JS .length
4
UTF-8 bytes

A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.

Families this belongs to

1

Ancient scripts9,099 symbols

ᚁᚂᚃᚄᚅᚆᚇᚈᚉᚊᚋᚌ