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| M | |
|---|---|
| M m | |
|   | |
| Usage | |
| Writing system | Latin script | 
| Type | Alphabetic and Logographic | 
| Language of origin | Latin language | 
| Sound values | |
| In Unicode | U+004D, U+006D | 
| Alphabetical position | 13 | 
| History | |
| Development | |
| Time period | c. 700 BCE to present | 
| Descendants | |
| Sisters | |
| Other | |
| Associated graphs | m(x) | 
| Associated numbers | 1000 | 
| Writing direction | Left-to-right | 
|   | 
| ISO basic Latin alphabet | 
|---|
| Aa Bb Cc Dd Ee Ff Gg Hh Ii Jj Kk Ll Mm Nn Oo Pp Qq Rr Ss Tt Uu Vv Ww Xx Yy Zz | 
M, or m, is the thirteenth letter of the Latin alphabet, used in the modern English alphabet, the alphabets of several western European languages and others worldwide. Its name in English is em (pronounced /ˈɛm/ ⓘ ), plural ems. [1]
| Egyptian hieroglyph "n" | Phoenician Mem | Western Greek Mu | Etruscan M | Latin M | ||
|---|---|---|---|---|---|---|
| 
 |   |   |   |   | 
The letter M is derived from the Phoenician Mem via the Greek Mu (Μ, μ). Semitic Mem is most likely derived from a "Proto-Sinaitic" (Bronze Age) adoption of the "water" ideogram in Egyptian writing. The Egyptian sign had the acrophonic value /n/, from the Egyptian word for "water", nt; the adoption as the Semitic letter for /m/ was presumably also on acrophonic grounds, from the Semitic word for "water", *mā(y)- . [2]
| Orthography | Phonemes | 
|---|---|
| Standard Chinese (Pinyin) | /m/ | 
| English | /m/, silent | 
| French | /m/ | 
| German | /m/ | 
| Portuguese | /m/, silent | 
| Spanish | /m/ | 
| Turkish | /m/ | 
In English, ⟨m⟩ represents the voiced bilabial nasal /m/.
The Oxford English Dictionary (first edition) says that ⟨m⟩ is sometimes a vowel, such as in words like spasm and in the suffix -ism. In modern terminology, this is described as a syllabic consonant (IPA: /m̩/).
The digraph, "mn," when used in the beginning of words, such as mnemonic, is pronounced as /n/. This digraph is the only instance where the letter ⟨m⟩ is silent.
M is the fourteenth most frequently used letter in the English language.
The letter ⟨m⟩ represents the voiced bilabial nasal /m/ in the orthography of Latin as well as in those of many modern languages.
In Washo, lower-case ⟨m⟩ represents a voiced bilabial nasal /m/, while upper-case ⟨M⟩ represents a voiceless bilabial nasal /m̥/.
In the International Phonetic Alphabet, ⟨m⟩ represents the voiced bilabial nasal /m/.
 
 roman numerals.