Where does “muck” come from?

Muck comes from Middle English mok, from Old English moc, of uncertain origin and meaning.

muck (English): mud, sludge; Soft manure; Anything filthy or...

Definitions

  1. mud, sludge; Soft manure; Anything filthy or...

Ancestry of “muck”, step by step

muck traces back through 3 separate lines of ancestry.

via Scottish Gaelic muc

StepLanguageWordMeaning
1Scottish Gaelicmucpig; sow
2Old Irishmuccpig, sow
3Persianموشmouse; rat
4Middle Persianmwšk'musk
5Sanskritमुष्कtesticle, scrotum
6Sanskritमूष्mouse; "stealer", "thief"
7Proto-Indo-Europeanmúh₂smouse

via German Mücke

StepLanguageWordMeaning
1GermanMückemosquito; insect of the order Nematocera, that is...
2Old High Germanmucka
3Proto-West Germanicmuggjāsmall fly, midge, mosquito
4Proto-Germanicmugjǭa small fly; midge; mosquito
5Proto-Germanicmująfly
6Proto-Indo-Europeanmū-fly, mosquito; fly, midge; lips, muzzle

via Middle English mok

StepLanguageWordMeaning
1Middle Englishmok
2Old Norsemykidung
3Proto-Indo-Europeanmewg-slimy, slippery; slick, slimy

Words derived from “muck

Every word from Proto-Indo-European múh₂s
muck — Etymology, Origin & Word History | Etymology Explorer