U+1F66 "ὦ" Greek Small Letter Omega with Psili and Perispomeni Unicode Character
U+1F66 "ὦ" Greek Small Letter Omega with Psili and Perispomeni is a polytonic Greek letter used in ancient and liturgical Greek to represent the long omega vowel combined with a smooth breathing mark, called psili, and a circumflex accent, called perispomeni, which indicates a rising and falling pitch. Found primarily in classical texts and Eastern Orthodox religious writings, this character helps preserve the historical pronunciation and grammatical nuances of the Greek language, such as distinguishing verb forms or case endings. In modern digital contexts, it is encoded for accurate representation of these traditional orthographic features, ensuring that scholars and readers can access and reproduce ancient Greek with proper diacritical markings.
General Properties
| Code Point | U+1F66 |
| Version Added | 1.1 |
| Name | Greek Small Letter Omega with Psili and Perispomeni |
| Block | Greek Extended |
| General Category | Lowercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "ὠ" U+1F60 Greek Small Letter Omega with Psili "͂" U+0342 Combining Greek Perispomeni |
Encodings
| HTML Decimal Encoding | ὦ |
| HTML Hex Encoding | ὦ |
| UTF-8 Encoding | 0xE1 0xBD 0xA6 |
| UTF-16 Encoding | 0x1F66 |
| UTF-32 Encoding | 0x00001F66 |
| C/C++/Java Escape | \u1f66 |
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 | "Ὦ" U+1F6E Greek Capital Letter Omega with Psili and Perispomeni |
| Simple Titlecase Code Point | "Ὦ" U+1F6E Greek Capital Letter Omega with Psili and Perispomeni |
| Uppercase Code Point | "Ὦ" U+1F6E Greek Capital Letter Omega with Psili and Perispomeni |
| Titlecase Code Point | "Ὦ" U+1F6E Greek Capital Letter Omega with Psili and Perispomeni |
| Cased | Yes |
| Changes When Casemapped | Yes |
| Changes When Titlecased | Yes |
| Changes When Uppercased | Yes |
| 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 | Lower |