"various small things," 1755, plural of sundry (adj.) used as a noun. "[A] comprehensive term used for brevity, especially in accounts" [Century Dictionary].
Entries linking to sundries
sundry adj.
Old English syndrig "separate, apart, special, various, distinct, characteristic," from sundor "separately, apart, asunder" (see sunder) + -y (2). Compare Old High German suntaric, Swedish söndrig "broken, tattered." Meaning "several" is from 1375. As a noun, from mid-13c. with the sense "various ones." Phrase all and sundry is from late 14c.