U+03DB GREEK SMALL LETTER STIGMA

The Unicode character U+03DB, officially named GREEK SMALL LETTER STIGMA, was introduced in Unicode version 3.0. It is part of the Greek block, which belongs to the Basic Multilingual plane.

Categorized technically as a Lowercase Letter, this character typically falls under the Greek script. In terms of text layout and rendering, the glyph is not a composition and has no designated width in East Asian typography. When placed in bidirectional text, it behaves as an Left-To-Right character. Its visual representation remains not mirrored regardless of the reading direction.