U+1E059 "π" Cyrillic Subscript Small Letter I Unicode Character
Unicode Version 17.0
π
U+1E059 "π" Cyrillic Subscript Small Letter I is a specialized grapheme within the Cyrillic script, designed for use in historical and linguistic texts where a subscript form of the Cyrillic letter "Π" is required. It belongs to the Cyrillic Extended-D block, which supports scholarly notations for older Slavic manuscripts and phonetic transcriptions. This character is typically employed to denote a reduced or semi-vowel sound or to represent a specific phonological feature in reconstructed pronunciations, making it a valuable tool for paleographers and linguists studying the evolution of Cyrillic writing systems.
General Properties
| Code Point | U+1E059 |
| Version Added | 15.0 |
| Name | Cyrillic Subscript Small Letter I |
| Block | Cyrillic Extended-D |
| General Category | Modifier Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Sub |
| Decomposition Mapping | "ΠΈ" U+0438 Cyrillic Small Letter I |
Encodings
| HTML Decimal Encoding | 𞁙 |
| HTML Hex Encoding | 𞁙 |
| UTF-8 Encoding | 0xF0 0x9E 0x81 0x99 |
| UTF-16 Encoding | 0xD838 0xDC59 |
| UTF-32 Encoding | 0x0001E059 |
| C/C++/Java Escape | \ud838\udc59 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Lowercase | Yes |
| Other Lowercase | Yes |
| Case Ignorable | Yes |
| Cased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "ΠΈ" U+0438 Cyrillic Small Letter I |
| NFKC Simple Casefold | "ΠΈ" U+0438 Cyrillic Small Letter I |
| Script | Cyrillic |
| Script Extensions | Cyrillic |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Diacritic | Yes |
| Alphabetic | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | Lower |