Meaning

noun any thick, viscous matter

noun fecal matter of animals

verb remove muck, clear away muck, as in a mine

originFrom Middle English mok, muk, from Old Norse myki, mykr (“dung”) or less likely Old English *moc, *moce (in hlōsmoc (“pigsty dung”) and lustmoce (“lady's smock (Cardamine pratensis)”)) (compare Icelandic mykja and Danish møg ("dung")), from Proto-Germanic *mukį̄ (“dung; manure”), from Proto-Germanic *muk-, from Proto-Indo-European *(s)mewg-, *mewk- (“slick, slippery”) (compare Welsh mign…

Etymology from Wiktionary, CC BY-SA 3.0