U+1F4C "Ὄ" Greek Capital Letter Omicron with Psili and Oxia Unicode Character
Unicode Version 17.0
Ὄ
U+1F4C "Ὄ" Greek Capital Letter Omicron with Psili and Oxia is a precomposed polytonic Greek letter used in the writing system that incorporates multiple diacritical marks to indicate ancient pronunciation. Specifically, it represents a capital omicron with the psili, or smooth breathing mark, indicating no initial aspiration, and the oxia, or acute accent, denoting a high pitch or stress in Ancient Greek. This character is part of the Unicode block for Greek and Coptic and is employed primarily in scholarly texts, editions of classical literature, and linguistic works that require precise representation of ancient Greek orthography.
General Properties
| Code Point | U+1F4C |
| Version Added | 1.1 |
| Name | Greek Capital Letter Omicron with Psili and Oxia |
| Block | Greek Extended |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "Ὀ" U+1F48 Greek Capital Letter Omicron with Psili "́" U+0301 Combining Acute Accent |
Encodings
| HTML Decimal Encoding | Ὄ |
| HTML Hex Encoding | Ὄ |
| UTF-8 Encoding | 0xE1 0xBD 0x8C |
| UTF-16 Encoding | 0x1F4C |
| UTF-32 Encoding | 0x00001F4C |
| C/C++/Java Escape | \u1f4c |
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 | "ὄ" U+1F44 Greek Small Letter Omicron with Psili and Oxia |
| Lowercase Code Point | "ὄ" U+1F44 Greek Small Letter Omicron with Psili and Oxia |
| Simple Case Folding | "ὄ" U+1F44 Greek Small Letter Omicron with Psili and Oxia |
| Case Folding | "ὄ" U+1F44 Greek Small Letter Omicron with Psili and Oxia |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "ὄ" U+1F44 Greek Small Letter Omicron with Psili and Oxia |
| NFKC Simple Casefold | "ὄ" U+1F44 Greek Small Letter Omicron with Psili 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 |