U+1F41 "ὁ" Greek Small Letter Omicron with Dasia Unicode Character
Unicode Version 17.0
ὁ
U+1F41 "ὁ" Greek Small Letter Omicron with Dasia is a polytonic Greek vowel representing the letter omicron combined with a dasia, or rough breathing mark, which indicates an initial /h/ sound in Ancient Greek. This character is used primarily in scholarly editions of classical texts, where it appears as the masculine singular nominative form of the definite article "the" before vowels, such as in phrases like "ὁ ἀνήρ" meaning "the man." Its inclusion in Unicode facilitates accurate digital representation of ancient Greek orthography, preserving the historical distinction between smooth and rough breathing essential for proper pronunciation and grammatical analysis.
General Properties
| Code Point | U+1F41 |
| Version Added | 1.1 |
| Name | Greek Small Letter Omicron with Dasia |
| Block | Greek Extended |
| General Category | Lowercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "ο" U+03BF Greek Small Letter Omicron "̔" U+0314 Combining Reversed Comma Above |
Encodings
| HTML Decimal Encoding | ὁ |
| HTML Hex Encoding | ὁ |
| UTF-8 Encoding | 0xE1 0xBD 0x81 |
| UTF-16 Encoding | 0x1F41 |
| UTF-32 Encoding | 0x00001F41 |
| C/C++/Java Escape | \u1f41 |
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 | "Ὁ" U+1F49 Greek Capital Letter Omicron with Dasia |
| Simple Titlecase Code Point | "Ὁ" U+1F49 Greek Capital Letter Omicron with Dasia |
| Uppercase Code Point | "Ὁ" U+1F49 Greek Capital Letter Omicron with Dasia |
| Titlecase Code Point | "Ὁ" U+1F49 Greek Capital Letter Omicron with Dasia |
| 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 |