1150-1200;Middle Englishmuche, moche, apocopated variant of muchel, mochel,Old Englishmycel; replacing Middle Englishmiche(l), Old Englishmicel great, much (cf. mickle), cognate with Old Norsemikill,Gothicmikils,Greekmégal-, suppletive stem of mégas great
Old English mycel; related to Old English micel great, Old Saxon mikil, Gothic mikils; compare also Latin magnus, Greek megas
Word Origin and History for much
adj.
c.1200, worn down by loss of unaccented last syllable from Middle English muchel "large, much," from Old English micel "great in amount or extent," from Proto-Germanic *mekilaz, from PIE *meg- "great" (see mickle). As a noun and an adverb, from c.1200. For vowel evolution, see bury.