U+1BC9C "𛲜" Duployan Sign O with Cross Unicode Character

U+1BC9C "𛲜" Duployan Sign O with Cross is a typographic mark used within the Duployan shorthand system, a writing method developed in the 19th century for rapid transcription of languages such as French, English, and German. This specific sign represents a modified vowel or shorthand character, combining a circular or oval shape with a cross, which indicates a particular phonetic value or a distinct abbreviation within the system. It belongs to the Duployan block in the Unicode standard, which was added to support digital encoding of historical shorthand scripts and their specialized symbols.