U+1EF0 "Ự" Latin Capital Letter U with Horn and Dot Below Unicode Character
Unicode Version 17.0
Ự
U+1EF0 "Ự" Latin Capital Letter U with Horn and Dot Below is a precomposed Latin character used primarily in the Vietnamese alphabet to represent a specific vowel sound. It combines the base letter U with a horn diacritic (a small hook attached to the upper right of the character) and a dot below, which indicates a low, breathy tone, making it part of the set of modified letters essential for accurately transcribing Vietnamese phonology. This character is not typically found in other languages and is encoded in the Latin Extended Additional block to support digital text representation and proper typographic rendering of Vietnamese.
General Properties
| Code Point | U+1EF0 |
| Version Added | 1.1 |
| Name | Latin Capital Letter U with Horn and Dot Below |
| Block | Latin Extended Additional |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "Ư" U+01AF Latin Capital Letter U with Horn "̣" U+0323 Combining Dot Below |
Encodings
| HTML Decimal Encoding | Ự |
| HTML Hex Encoding | Ự |
| UTF-8 Encoding | 0xE1 0xBB 0xB0 |
| UTF-16 Encoding | 0x1EF0 |
| UTF-32 Encoding | 0x00001EF0 |
| C/C++/Java Escape | \u1ef0 |
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 | "ự" U+1EF1 Latin Small Letter U with Horn and Dot Below |
| Lowercase Code Point | "ự" U+1EF1 Latin Small Letter U with Horn and Dot Below |
| Simple Case Folding | "ự" U+1EF1 Latin Small Letter U with Horn and Dot Below |
| Case Folding | "ự" U+1EF1 Latin Small Letter U with Horn and Dot Below |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "ự" U+1EF1 Latin Small Letter U with Horn and Dot Below |
| NFKC Simple Casefold | "ự" U+1EF1 Latin Small Letter U with Horn and Dot Below |
| 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 |