mam

Significat (English)

Mum, mom; diminutive of mother.

Synonyms

mammy

mommy

👩‍🍼

mom

👩‍🍼

mum

madam

ma’am

ma

Mrs

dame

Etymology (English)

Cognate with escocès: mam

Cognate with Saterfriesisch: Määme

Cognate with frisó occidental: mem

In summary

Alteration or clipping of mama. Compare Scots mam, Early Scots mame (“mother”), mamye (“wet nurse”), Saterland Frisian Määme (“mother”), West Frisian mem (“mother”).
Alternatively, possibly either conserved from or influenced by earlier Brythonic language.