a breakfast cereal similar to granola, usually consisting of rolled oats and dried fruit.
Origin of muesli
Borrowed into English from dialectal German around 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a mixture of rolled oats, nuts, fruit, etc, eaten with milk
Word Origin for muesli
Swiss German, from German Mus mush, purée + -li, diminutive suffix
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
breakfast dish of oats, fruit, milk, 1926, from Swiss-German, from Old High German muos "meal, mush-like food," from Proto-Germanic *mod-sa-, from PIE root *mad- "moist, wet," with derivatives referring to various qualities of food (see mast (n.2)).
Online Etymology Dictionary, © 2010 Douglas Harper