Hypertext Webster Gateway: "Mumm"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Mumm \Mumm\, v. i. [imp. & p. p. {Mummed}; p. pr. & vb. n.
{Mumming}.] [D. mimmen to mask, mom a mask; akin to G. mumme
disguise; prob. of imitative origin, and akin to E. mum,
mumble, in allusion to the indistinctness of speech
occasioned by talking from behind a mask. Cf. {Mumble},
{Mummery}.]
To sport or make diversion in a mask or disguise; to mask.
With mumming and with masking all around. --Spenser.
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