U+1EF5 "ỵ" Latin Small Letter Y with Dot Below Unicode Character
Unicode Version 17.0
ỵ
U+1EF5 "ỵ" Latin Small Letter Y with Dot Below is a specialized diacritical letter used primarily in the Vietnamese alphabet, where it represents a low, creaky tone on the vowel "y." This character is formed by combining a standard lowercase letter Y with a combining dot below, which is a diacritic mark that signals a falling pitch and tense articulation in the Vietnamese writing system. It appears in words such as "mỵ" which means "mica" or "smooth," and it is an essential component for accurately representing the tonal distinctions that are fundamental to the Vietnamese language.
General Properties
| Code Point | U+1EF5 |
| Version Added | 1.1 |
| Name | Latin Small Letter Y with Dot Below |
| Block | Latin Extended Additional |
| General Category | Lowercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "y" U+0079 Latin Small Letter Y "̣" U+0323 Combining Dot Below |
Encodings
| HTML Decimal Encoding | ỵ |
| HTML Hex Encoding | ỵ |
| UTF-8 Encoding | 0xE1 0xBB 0xB5 |
| UTF-16 Encoding | 0x1EF5 |
| UTF-32 Encoding | 0x00001EF5 |
| C/C++/Java Escape | \u1ef5 |
Unicode Properties
| NFC Quick Check | Yes |
| NFKC Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Lowercase | Yes |
| Simple Uppercase Code Point | "Ỵ" U+1EF4 Latin Capital Letter Y with Dot Below |
| Simple Titlecase Code Point | "Ỵ" U+1EF4 Latin Capital Letter Y with Dot Below |
| Uppercase Code Point | "Ỵ" U+1EF4 Latin Capital Letter Y with Dot Below |
| Titlecase Code Point | "Ỵ" U+1EF4 Latin Capital Letter Y with Dot Below |
| Cased | Yes |
| Changes When Casemapped | Yes |
| Changes When Titlecased | Yes |
| Changes When Uppercased | Yes |
| 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 | Lower |