U+042B "Ы" Cyrillic Capital Letter Yeru Unicode Character
Unicode Version 17.0
Ы
U+042B "Ы" Cyrillic Capital Letter Yeru is a distinctive letter in the Cyrillic script primarily used in Russian, Belarusian, and some other Slavic languages. It represents a hard, unrounded vowel sound, often described as a combination or diphthong of [i] and a back vowel, with no direct equivalent in English. Historically derived from the digraph of the letters "ъ" and "i" in older Cyrillic orthography, "Ы" is considered a separate vowel that requires a specific mouth position, with the tongue pulled back and slightly raised, making it a notable challenge for learners of Russian. In modern Russian, it appears in many common words and is paired with its lowercase counterpart "ы".
General Properties
| Code Point | U+042B |
| Version Added | 1.1 |
| Name | Cyrillic Capital Letter Yeru |
| Unicode 1.0 Name | Cyrillic Capital Letter Yeri |
| Block | Cyrillic |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
Encodings
| HTML Decimal Encoding | Ы |
| HTML Hex Encoding | Ы |
| UTF-8 Encoding | 0xD0 0xAB |
| UTF-16 Encoding | 0x042B |
| UTF-32 Encoding | 0x0000042B |
| C/C++/Java Escape | \u042b |
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 |
| East Asian Width | Ambiguous |
| Uppercase | Yes |
| Simple Lowercase Code Point | "ы" U+044B Cyrillic Small Letter Yeru |
| Lowercase Code Point | "ы" U+044B Cyrillic Small Letter Yeru |
| Simple Case Folding | "ы" U+044B Cyrillic Small Letter Yeru |
| Case Folding | "ы" U+044B Cyrillic Small Letter Yeru |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "ы" U+044B Cyrillic Small Letter Yeru |
| NFKC Simple Casefold | "ы" U+044B Cyrillic Small Letter Yeru |
| 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 |