U+1F4D "Ὅ" Greek Capital Letter Omicron with Dasia and Oxia Unicode Character
Unicode Version 17.0
Ὅ
U+1F4D "Ὅ" Greek Capital Letter Omicron with Dasia and Oxia is a precomposed character used in polytonic Greek to represent the letter omicron combined with both a rough breathing mark, known as dasia, and an acute accent, known as oxia. This character appears in ancient and liturgical Greek texts, where such diacritics indicate specific pronunciation and tonal emphasis on the vowel. It serves as a single encoded glyph for this combination, simplifying representation in digital text compared to using separate combining marks.
General Properties
| Code Point | U+1F4D |
| Version Added | 1.1 |
| Name | Greek Capital Letter Omicron with Dasia and Oxia |
| Block | Greek Extended |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "Ὁ" U+1F49 Greek Capital Letter Omicron with Dasia "́" U+0301 Combining Acute Accent |
Encodings
| HTML Decimal Encoding | Ὅ |
| HTML Hex Encoding | Ὅ |
| UTF-8 Encoding | 0xE1 0xBD 0x8D |
| UTF-16 Encoding | 0x1F4D |
| UTF-32 Encoding | 0x00001F4D |
| C/C++/Java Escape | \u1f4d |
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 | "ὅ" U+1F45 Greek Small Letter Omicron with Dasia and Oxia |
| Lowercase Code Point | "ὅ" U+1F45 Greek Small Letter Omicron with Dasia and Oxia |
| Simple Case Folding | "ὅ" U+1F45 Greek Small Letter Omicron with Dasia and Oxia |
| Case Folding | "ὅ" U+1F45 Greek Small Letter Omicron with Dasia and Oxia |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "ὅ" U+1F45 Greek Small Letter Omicron with Dasia and Oxia |
| NFKC Simple Casefold | "ὅ" U+1F45 Greek Small Letter Omicron with Dasia and Oxia |
| Script | Greek |
| Script Extensions | Greek |
| 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 |