U+1F48 "Ὀ" Greek Capital Letter Omicron with Psili Unicode Character
Unicode Version 17.0
Ὀ
U+1F48 "Ὀ" Greek Capital Letter Omicron with Psili is a polytonic Greek letter representing a capital omicron combined with the psili, or smooth breathing mark, which indicates that the vowel is pronounced without an initial aspiration. This character is part of the Greek Extended Unicode block and is historically used in ancient and liturgical Greek texts to denote vowel-initiated words that do not carry a rough breathing, distinguishing them from those with aspirated sounds. Its inclusion in Unicode ensures accurate digital representation and preservation of classical Greek orthography for scholarly work, textual analysis, and modern typography.
General Properties
| Code Point | U+1F48 |
| Version Added | 1.1 |
| Name | Greek Capital Letter Omicron with Psili |
| Block | Greek Extended |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "Ο" U+039F Greek Capital Letter Omicron "̓" U+0313 Combining Comma Above |
Encodings
| HTML Decimal Encoding | Ὀ |
| HTML Hex Encoding | Ὀ |
| UTF-8 Encoding | 0xE1 0xBD 0x88 |
| UTF-16 Encoding | 0x1F48 |
| UTF-32 Encoding | 0x00001F48 |
| C/C++/Java Escape | \u1f48 |
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 | "ὀ" U+1F40 Greek Small Letter Omicron with Psili |
| Lowercase Code Point | "ὀ" U+1F40 Greek Small Letter Omicron with Psili |
| Simple Case Folding | "ὀ" U+1F40 Greek Small Letter Omicron with Psili |
| Case Folding | "ὀ" U+1F40 Greek Small Letter Omicron with Psili |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "ὀ" U+1F40 Greek Small Letter Omicron with Psili |
| NFKC Simple Casefold | "ὀ" U+1F40 Greek Small Letter Omicron with Psili |
| 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 |