CJK Unified Ideograph-4E90

It is an old written variant of 于, usually read yú.

At the form level, the exact first surviving appearance of 亐 is not pinned down. As of 2026, the consulted records do not name one inventor or one first manuscript; Taiwan's Ministry of Education instead describes 亐 as a variant of 于, says the shape arose as a change from the small-seal form into clerical writing, and lists it across later character-reference traditions. That is transmission and graphic change, not a newly coined symbol.

Its documented relative is 于. Character dictionaries show 于 in early oracle-bone texts, bronze, bamboo-and-silk, seal, and Qin-slip materials. Research on oracle-bone texts treats its common early job as a preposition introducing a place or destination; a small set of early verb analyses remains debated. 亐 inherits that function-word history while its own role is mainly variant spelling and dictionary identification.

What does 亐 mean when someone sends it?

Usually, it signals a variant spelling, not a hidden message.

In a dictionary, paleography note, or historical-text transcription, read it as the exact graphic form of 于. In ordinary chat, treat the exact glyph as the point or as a character-selection test; the checked evidence supports no separate slang reading as of 2026. If the distinction matters, ask whether the sender meant ordinary 于.

How do I type 亐?

Copy it from the palette unless you use a Cangjie IME.

The Taiwan CNS11643 record lists the Cangjie sequence MKS (一大尸) for 亐. That route helps only if your input system supports Cangjie; otherwise the palette is safer for this uncommon variant. This character is drawn by the active font, not by emoji artwork.

As of 2024, the same CNS record notes that Windows 10 and later include a default glyph, while its page still provides font-download guidance. If 亐 appears missing, check the font rather than reading the display as a different character.