U+1E40 "Ṁ" Latin Capital Letter M with Dot Above Unicode Character
Unicode Version 17.0
Ṁ
U+1E40 "Ṁ" Latin Capital Letter M with Dot Above is a modified version of the standard Latin letter M, distinguished by a small dot placed directly above it. This diacritic mark is used primarily in the transliteration and transcription of various languages, including African languages like Yoruba and certain scholarly notations for ancient or medieval texts, where it often indicates a specific phonetic quality, such as a nasalized or emphatic pronunciation of the M sound. It belongs to the Latin Extended Additional block of Unicode, ensuring its availability for digital text processing in linguistic and academic contexts where precise orthographic representation is required.
General Properties
| Code Point | U+1E40 |
| Version Added | 1.1 |
| Name | Latin Capital Letter M with Dot Above |
| Block | Latin Extended Additional |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "M" U+004D Latin Capital Letter M "̇" U+0307 Combining Dot Above |
Encodings
| HTML Decimal Encoding | Ṁ |
| HTML Hex Encoding | Ṁ |
| UTF-8 Encoding | 0xE1 0xB9 0x80 |
| UTF-16 Encoding | 0x1E40 |
| UTF-32 Encoding | 0x00001E40 |
| C/C++/Java Escape | \u1e40 |
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 | "ṁ" U+1E41 Latin Small Letter M with Dot Above |
| Lowercase Code Point | "ṁ" U+1E41 Latin Small Letter M with Dot Above |
| Simple Case Folding | "ṁ" U+1E41 Latin Small Letter M with Dot Above |
| Case Folding | "ṁ" U+1E41 Latin Small Letter M with Dot Above |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "ṁ" U+1E41 Latin Small Letter M with Dot Above |
| NFKC Simple Casefold | "ṁ" U+1E41 Latin Small Letter M with Dot Above |
| Script | Latin |
| Script Extensions | Latin |
| 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 |