[p]→[m]Certainty: 5/5Commonality: 4/5
Voiceless bilabial plosive to Bilabial nasal
The shift from the voiceless bilabial stop [p] to the bilabial nasal [m] is a process of nasalization. It typically occurs through regressive nasal assimilation, where the stop adopts the lowered velum (nasal airflow) of a following sound.
Phonetic Effects
Nasalization, Assimilation
Language Examples
sup-mus→summus— Historical regressive assimilation where the bilabial stop became a nasal before an [m].
obmanut' [bm]→[mm]— Synchronous assimilation in rapid speech where the voiced/voiceless labial stop is nasalized.
Related Transformations
More Nasalization Shifts
Sources & References
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