U+1E40 "Ṁ" Latin Capital Letter M with Dot Above Unicode Character

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.