Entries linking to mix-up
1530s, transitive, "unite or blend promiscuously into one mass, body, or assemblage," a back-formation from Middle English myxte (early 15c.) "mingled, blended, composed of more than one element, of mixed nature," from Anglo-French mixte (late 13c.), from Latin mixtus, past participle of miscere "to mix, mingle, blend; fraternize with; throw into confusion," from PIE root *meik- "to mix."
A rare verb before Elizabethan times. Perhaps it was avoided out of potential confusion with a group of common Middle English words such as mixen "dung-hill, pile of refuse," mix "filth, dung, dirt" mixed "foul, filthy," from PIE root *meigh- "to urinate" (source of Latin mingere, etc.).
Meaning "to form by mingling or blending different ingredients" is from 1570s. Intransitive sense of "become united or blended promiscuously" is from 1630s; that of "become joined or associated" is from 1660s. In cinematography and broadcasting, "combine two pictures or sounds by fading out and in," 1922. Old English as miscian (apparently borrowed from the Latin verb) did not survive into Middle English. Related: Mixed; mixing.
Old English up, uppe, from Proto-Germanic *upp- "up" (source also of Old Frisian, Old Saxon up "up, upward," Old Norse upp; Danish, Dutch op; Old High German uf, German auf "up"; Gothic iup "up, upward," uf "on, upon, under;" Old High German oba, German ob "over, above, on, upon"), from PIE root *upo "under," also "up from under," hence also "over."
As a preposition, "to a higher place" from c. 1500; also "along, through" (1510s), "toward" (1590s). Often used elliptically for go up, come up, rise up, etc. Up the river "in jail" first recorded 1891, originally in reference to Sing Sing, which is up the Hudson from New York City. To drive someone up the wall (1951) is from the notion of the behavior of lunatics or caged animals. Insulting retort up yours (scil. ass) is attested by late 19c.
mid-15c., also mixte, "consisting of different elements or parts," from Latin mixtus, past participle of miscēre "to mix, mingle, blend" (from PIE root *meik- "to mix," also see mix (v.)). From 1550s as "not comprised in one class or kind, indiscriminate." Of government from 1530s.
Mixed blessing, one with some unpleasant elements, is by 1849. Mixed marriage is from 1690s, originally in a religious context; racial sense was in use by 1942 in U.S., though mixed breed in reference to mulattoes is found by 1775. Mixed motives is by 1736; mixed feelings by 1782. Mixed bag "heterogeneous collection" is by 1895, from the hunting term for an assortment of game birds killed in one outing. Mixed up is from 1884 as "confused," from 1862 as "involved, implicated" (see mix-up). Mixed metaphor, "an expression in which two or more metaphors are confused," is by 1753.
Mixed drink in the modern liquor sense is recorded by 1868; the thing itself is older; Bartlett (1859) lists sixty names "given to the various compounds or mixtures of spirituous liquors and wines served up in fashionable bar rooms in the United States," all from a single advertisement. The list includes Tippe na Pecco, Moral suasion, Vox populi, Jewett's fancy, Ne plus ultra, Shambro, Virginia fancy, Stone wall, Smasher, Slingflip, Pig and whistle, Cocktail, Phlegm-cutter, Switchel flip, Tip and Ty, Ching-ching, Fiscal agent, Slip ticket, Epicure's punch.