1580s, nonesuch "unmatched or unrivaled thing," from none + such. From 1640s as "person who has no equal." As a type of decorated 16c. or 17c. chest, it is in reference to Nonesuch Palace, in Surrey, which supposedly is represented in the designs. Middle English had an adjective non-swich "no such, not any such" (mid-13c.), also used as a surname and as a pronoun (c. 1300) meaning "no such person or thing."
<a href="https://www.etymonline.com/word/nonesuch">Etymology of nonesuch by etymonline</a>
Harper, D. (n.d.). Etymology of nonesuch. Online Etymology Dictionary. Retrieved $(datetime), from https://www.etymonline.com/word/nonesuch