U+FC77 "ﱷ" Arabic Ligature Theh with Zain Final Form Unicode Character

U+FC77 "ﱷ" Arabic Ligature Theh with Zain Final Form is a specific typographic representation used in Arabic script, combining the letters Theh (ث) and Zain (ز) into a single connected glyph that appears only at the end of a word. This ligature is part of the Arabic Presentation Forms-B block, which was designed to support complex calligraphic styles and legacy text rendering, rather than for modern standard encoding. It represents a historical or stylistic variant where the two characters merge graphically, ensuring proper cursive alignment and visual harmony in traditional Arabic typesetting.