U+1EDA "Ớ" Latin Capital Letter O with Horn and Acute Unicode Character
Unicode Version 17.0
Ớ
U+1EDA "Ớ" Latin Capital Letter O with Horn and Acute is a specialized letter used primarily in the Vietnamese alphabet to represent a distinct tonal variant. It combines a base Latin letter O with a diacritical "horn" attached to its upper right side, which modifies the vowel sound, and an acute accent placed above the letter to indicate a high-rising tone. This character is essential for accurately writing and pronouncing words in Vietnamese, where tonal distinctions and specific vowel forms are crucial for meaning.
General Properties
| Code Point | U+1EDA |
| Version Added | 1.1 |
| Name | Latin Capital Letter O with Horn and Acute |
| Block | Latin Extended Additional |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "Ơ" U+01A0 Latin Capital Letter O with Horn "́" U+0301 Combining Acute Accent |
Encodings
| HTML Decimal Encoding | Ớ |
| HTML Hex Encoding | Ớ |
| UTF-8 Encoding | 0xE1 0xBB 0x9A |
| UTF-16 Encoding | 0x1EDA |
| UTF-32 Encoding | 0x00001EDA |
| C/C++/Java Escape | \u1eda |
Unicode Properties
| NFC Quick Check | Yes |
| NFKC Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Uppercase | Yes |
| Simple Lowercase Code Point | "ớ" U+1EDB Latin Small Letter O with Horn and Acute |
| Lowercase Code Point | "ớ" U+1EDB Latin Small Letter O with Horn and Acute |
| Simple Case Folding | "ớ" U+1EDB Latin Small Letter O with Horn and Acute |
| Case Folding | "ớ" U+1EDB Latin Small Letter O with Horn and Acute |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "ớ" U+1EDB Latin Small Letter O with Horn and Acute |
| NFKC Simple Casefold | "ớ" U+1EDB Latin Small Letter O with Horn and Acute |
| Script | Latin |
| Script Extensions | Latin |
| 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 |