U+1F4A "Ὂ" Greek Capital Letter Omicron with Psili and Varia Unicode Character
Unicode Version 17.0
Ὂ
U+1F4A "Ὂ" Greek Capital Letter Omicron with Psili and Varia is a historic polytonic Greek letter used primarily in ancient and liturgical texts, combining the base omicron with two diacritical marks: the psili, which indicates a smooth breathing mark, and the varia, which denotes a grave accent. This character appears only as a capital letter and is part of the Greek Extended block, representing a specific phonetic and tonal detail that is no longer employed in modern Greek writing. Its use is largely confined to scholarly editions, classical manuscripts, and religious scripts where precise accentuation and breathing are preserved.
General Properties
| Code Point | U+1F4A |
| Version Added | 1.1 |
| Name | Greek Capital Letter Omicron with Psili and Varia |
| 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+0300 Combining Grave Accent |
Encodings
| HTML Decimal Encoding | Ὂ |
| HTML Hex Encoding | Ὂ |
| UTF-8 Encoding | 0xE1 0xBD 0x8A |
| UTF-16 Encoding | 0x1F4A |
| UTF-32 Encoding | 0x00001F4A |
| C/C++/Java Escape | \u1f4a |
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 | "ὂ" U+1F42 Greek Small Letter Omicron with Psili and Varia |
| Lowercase Code Point | "ὂ" U+1F42 Greek Small Letter Omicron with Psili and Varia |
| Simple Case Folding | "ὂ" U+1F42 Greek Small Letter Omicron with Psili and Varia |
| Case Folding | "ὂ" U+1F42 Greek Small Letter Omicron with Psili and Varia |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "ὂ" U+1F42 Greek Small Letter Omicron with Psili and Varia |
| NFKC Simple Casefold | "ὂ" U+1F42 Greek Small Letter Omicron with Psili and Varia |
| 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 |