U+FC3A "ﰺ" Arabic Ligature Kaf with Khah Isolated Form Unicode Character
U+FC3A "ﰺ" Arabic Ligature Kaf with Khah Isolated Form is a typographic ligature used in the Arabic script, combining the letters Kaf (ك) and Khah (خ) into a single, compact glyph that represents the connected sound sequence "kkh" when these two letters appear consecutively. This ligature is part of the Arabic Presentation Forms-A block, which is specifically designed for textual contexts where such connected forms are needed for proper calligraphic or font rendering. The isolated form indicates that the character stands alone without being joined to adjacent letters on either side, and it is primarily used in older or specialized fonts that support complex ligature systems, often found in historical texts or decorative writing. Modern digital typography typically handles this combination through regular Unicode characters and OpenType features, but U+FC3A remains a legacy encoding for systems that require a predefined, precomposed ligature.
General Properties
| Code Point | U+FC3A |
| Version Added | 1.1 |
| Name | Arabic Ligature Kaf with Khah Isolated Form |
| Block | Arabic Presentation Forms-A |
| General Category | Other Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Arabic Letter |
| Decomposition Type | Isolated |
| Decomposition Mapping | "ك" U+0643 Arabic Letter Kaf "خ" U+062E Arabic Letter Khah |
Encodings
| HTML Decimal Encoding | ﰺ |
| HTML Hex Encoding | ﰺ |
| UTF-8 Encoding | 0xEF 0xB0 0xBA |
| UTF-16 Encoding | 0xFC3A |
| UTF-32 Encoding | 0x0000FC3A |
| C/C++/Java Escape | \ufc3a |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "ك" U+0643 Arabic Letter Kaf "خ" U+062E Arabic Letter Khah |
| NFKC Simple Casefold | "ك" U+0643 Arabic Letter Kaf "خ" U+062E Arabic Letter Khah |
| Script | Arabic |
| Script Extensions | Arabic |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | OLetter |