U+A64A "Ꙋ" Cyrillic Capital Letter Monograph Uk Unicode Character
U+A64A "Ꙋ" Cyrillic Capital Letter Monograph Uk is a historical letter used in early Cyrillic alphabets, specifically representing a monographic form of the digraph "Оу" which was employed to denote the /u/ sound. This character belongs to the Cyrillic Extended-B block and was used in Old Church Slavonic and other medieval Slavic manuscripts as a ligature or single glyph alternative to the two character sequence for the vowel "u". Its design typically combines elements of the letters O and V or U into a single composite form, and it is distinct from the modern standard Cyrillic letter "У" which eventually replaced it. While largely obsolete in modern written languages, it remains of interest for palaeographic and typographic study of historical Slavic texts.
General Properties
| Code Point | U+A64A |
| Version Added | 5.1 |
| Name | Cyrillic Capital Letter Monograph Uk |
| Block | Cyrillic Extended-B |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
Encodings
| HTML Decimal Encoding | Ꙋ |
| HTML Hex Encoding | Ꙋ |
| UTF-8 Encoding | 0xEA 0x99 0x8A |
| UTF-16 Encoding | 0xA64A |
| UTF-32 Encoding | 0x0000A64A |
| C/C++/Java Escape | \ua64a |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| NFKC Quick Check | Yes |
| NFKD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Uppercase | Yes |
| Simple Lowercase Code Point | "ꙋ" U+A64B Cyrillic Small Letter Monograph Uk |
| Lowercase Code Point | "ꙋ" U+A64B Cyrillic Small Letter Monograph Uk |
| Simple Case Folding | "ꙋ" U+A64B Cyrillic Small Letter Monograph Uk |
| Case Folding | "ꙋ" U+A64B Cyrillic Small Letter Monograph Uk |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "ꙋ" U+A64B Cyrillic Small Letter Monograph Uk |
| NFKC Simple Casefold | "ꙋ" U+A64B Cyrillic Small Letter Monograph Uk |
| Script | Cyrillic |
| Script Extensions | Cyrillic |
| 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 | Upper |