U+1D69 "ᵩ" Greek Subscript Small Letter Phi Unicode Character
Unicode Version 17.0
ᵩ
U+1D69 "ᵩ" Greek Subscript Small Letter Phi is a specialized typographic symbol used in phonetic transcription, particularly within the International Phonetic Alphabet or its extensions, to denote a modified or subscript form of the Greek letter phi. It appears as a smaller phi glyph positioned below the baseline, often employed to represent a voiceless bilabial fricative or a similar articulatory feature with a lowered or retracted quality. This character belongs to the Phonetic Extensions block in Unicode, and its inclusion supports precise notation in linguistics and language documentation without requiring complex formatting workarounds.
General Properties
| Code Point | U+1D69 |
| Version Added | 4.0 |
| Name | Greek Subscript Small Letter Phi |
| Block | Phonetic Extensions |
| General Category | Modifier Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Sub |
| Decomposition Mapping | "φ" U+03C6 Greek Small Letter Phi |
Encodings
| HTML Decimal Encoding | ᵩ |
| HTML Hex Encoding | ᵩ |
| UTF-8 Encoding | 0xE1 0xB5 0xA9 |
| UTF-16 Encoding | 0x1D69 |
| UTF-32 Encoding | 0x00001D69 |
| C/C++/Java Escape | \u1d69 |
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 | "φ" U+03C6 Greek Small Letter Phi |
| NFKC Simple Casefold | "φ" U+03C6 Greek Small Letter Phi |
| Script | Greek |
| Script Extensions | Greek |
| 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 |