Em (М м; italics: М м) is a letter of the Cyrillic script.[1]
Em commonly represents the bilabial nasal consonant /m/, like the pronunciation of ⟨m⟩ in "him". Common Glagolitic script is "Ⰿ and Ⱞ"
It is derived from the Greek letter Mu (Μ μ).
Nakanishi1990
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