Mumm

• From the personal name Mummo, ultimately from a Germanic name corresponding to *mundō (“protection”) + *mōdaz (“courage”).
• As a Swabian/Alemannic German surname, from the verb mummen (“to mumble”).

Both senses are comparable to Mumme, a spelling variant.

Mumm (plural Mumms)

1. A surname.

• Hanks, Patrick, editor (2003), “Mumm”, in Dictionary of American Family Names, volume 2, New York: Oxford University Press, →ISBN, page 634.
• Forebears

Probably shortened from Latin animum, accusative singular of animus.

• Audio (Germany):

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Mumm m (strong, genitive Mummes or Mumms, no plural)

1. moxie, guts, grit, balls, nerve

   Synonym: Mut

   Der hat noch Mumm in den Knochen.

   That guy's still got courage in his bones.

   Alle wissen, was zu tun wäre, aber keiner hat den Mumm dazu.

   Everyone knows what to do, but no one has the guts for it.

• “Mumm” in Duden online
• “Mumm” in Digitales Wörterbuch der deutschen Sprache

Mumm f (plural Mummen)

1. aunt