The story
- Old French · derived frommomen“mask”
- Middle High German · derived frommummenschantze“game of chance as part of a masquerade, mime performance, revel”
- Middle English · derived frommommen“mutter, be silent”
- English todaymumchance
From Middle English mommen (“mutter, be silent”) and Middle High German mummenschantze (“game of chance as part of a masquerade, mime performance, revel”), from Old French momen (“mask”) and chance (“game of chance”).
Etymology from Wiktionary, CC BY-SA 4.0.