omnium-gatherum

Dog Latin, from Latin omnium (“of all”) and gather +‎ -um, suggesting a collection of everything.

omnium-gatherum (plural omnium-gatherums or omnium-gathera)

1. A collection containing a variety of miscellaneous things.
   • 1864, Robert Kerr, The Gentleman's House, page 342:

     We live in the era of Omnium-Gatherum; all the world's a museum, and men and women are its students. To design any building in England nowadays is therefore to work under the eye, so to speak, of the Society of Antiquaries.

• farrago, hodgepodge, hotchpotch, melange, mingle-mangle, mishmash, oddments, odds and ends, ragbag
• See also Thesaurus:hodgepodge